Home / 1,015,008.30-1,400,695.92-556,119.18

Finding the Fourth Proportional to 1,015,008.30, 1,400,695.92 and 556,119.18

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Solution

The fourth proportional to 1,015,008.30, 1,400,695.92 and 556,119.18 is: 767,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,008.30 : 1,400,695.92 = 556,119.18 : x
  2. Step 2: Convert to fraction form
    1,015,008.30/1,400,695.92 = 556,119.18/x
  3. Step 3: Cross multiply
    1,015,008.30x = 1,400,695.92 × 556,119.18
  4. Step 4: Simplify right side
    1,015,008.30x = 778,953,866,459.75
  5. Step 5: Solve for x
    x = 778,953,866,459.75/1,015,008.30
  6. Step 6: Final answer
    x = 767,435.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.