Home / 1,556,015.08-2,334,022.62-491,140.20

Finding the Fourth Proportional to 1,556,015.08, 2,334,022.62 and 491,140.20

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Solution

The fourth proportional to 1,556,015.08, 2,334,022.62 and 491,140.20 is: 736,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,015.08 : 2,334,022.62 = 491,140.20 : x
  2. Step 2: Convert to fraction form
    1,556,015.08/2,334,022.62 = 491,140.20/x
  3. Step 3: Cross multiply
    1,556,015.08x = 2,334,022.62 × 491,140.20
  4. Step 4: Simplify right side
    1,556,015.08x = 1,146,332,336,391.32
  5. Step 5: Solve for x
    x = 1,146,332,336,391.32/1,556,015.08
  6. Step 6: Final answer
    x = 736,710.30

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Half scale
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Double scale
Find fourth proportional to 1,556,016.08, 2,334,024.12 and 491,141.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.