Home / 1,377,680.30-2,062,834.05-876,329.90

Finding the Fourth Proportional to 1,377,680.30, 2,062,834.05 and 876,329.90

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Solution

The fourth proportional to 1,377,680.30, 2,062,834.05 and 876,329.90 is: 1,312,149.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,680.30 : 2,062,834.05 = 876,329.90 : x
  2. Step 2: Convert to fraction form
    1,377,680.30/2,062,834.05 = 876,329.90/x
  3. Step 3: Cross multiply
    1,377,680.30x = 2,062,834.05 × 876,329.90
  4. Step 4: Simplify right side
    1,377,680.30x = 1,807,723,156,753.10
  5. Step 5: Solve for x
    x = 1,807,723,156,753.10/1,377,680.30
  6. Step 6: Final answer
    x = 1,312,149.96

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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.