Home / 1,377,937.64-1,901,711.22-766,151.12

Finding the Fourth Proportional to 1,377,937.64, 1,901,711.22 and 766,151.12

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Solution

The fourth proportional to 1,377,937.64, 1,901,711.22 and 766,151.12 is: 1,057,375.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,937.64 : 1,901,711.22 = 766,151.12 : x
  2. Step 2: Convert to fraction form
    1,377,937.64/1,901,711.22 = 766,151.12/x
  3. Step 3: Cross multiply
    1,377,937.64x = 1,901,711.22 × 766,151.12
  4. Step 4: Simplify right side
    1,377,937.64x = 1,456,998,183,000.78
  5. Step 5: Solve for x
    x = 1,456,998,183,000.78/1,377,937.64
  6. Step 6: Final answer
    x = 1,057,375.99

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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.