Home / 749,246.10-1,123,869.15-662,640.90

Finding the Fourth Proportional to 749,246.10, 1,123,869.15 and 662,640.90

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Solution

The fourth proportional to 749,246.10, 1,123,869.15 and 662,640.90 is: 993,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,246.10 : 1,123,869.15 = 662,640.90 : x
  2. Step 2: Convert to fraction form
    749,246.10/1,123,869.15 = 662,640.90/x
  3. Step 3: Cross multiply
    749,246.10x = 1,123,869.15 × 662,640.90
  4. Step 4: Simplify right side
    749,246.10x = 744,721,665,038.24
  5. Step 5: Solve for x
    x = 744,721,665,038.24/749,246.10
  6. Step 6: Final answer
    x = 993,961.35

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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.