Home / 749,267.55-1,123,901.33-687,266.10

Finding the Fourth Proportional to 749,267.55, 1,123,901.33 and 687,266.10

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Solution

The fourth proportional to 749,267.55, 1,123,901.33 and 687,266.10 is: 1,030,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,267.55 : 1,123,901.33 = 687,266.10 : x
  2. Step 2: Convert to fraction form
    749,267.55/1,123,901.33 = 687,266.10/x
  3. Step 3: Cross multiply
    749,267.55x = 1,123,901.33 × 687,266.10
  4. Step 4: Simplify right side
    749,267.55x = 772,419,280,417.58
  5. Step 5: Solve for x
    x = 772,419,280,417.58/749,267.55
  6. Step 6: Final answer
    x = 1,030,899.15

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Double scale
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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.