Home / 1,037,927.40-1,556,891.10-289,972.20

Finding the Fourth Proportional to 1,037,927.40, 1,556,891.10 and 289,972.20

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Solution

The fourth proportional to 1,037,927.40, 1,556,891.10 and 289,972.20 is: 434,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,927.40 : 1,556,891.10 = 289,972.20 : x
  2. Step 2: Convert to fraction form
    1,037,927.40/1,556,891.10 = 289,972.20/x
  3. Step 3: Cross multiply
    1,037,927.40x = 1,556,891.10 × 289,972.20
  4. Step 4: Simplify right side
    1,037,927.40x = 451,455,137,427.42
  5. Step 5: Solve for x
    x = 451,455,137,427.42/1,037,927.40
  6. Step 6: Final answer
    x = 434,958.30

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Double scale
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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.