Home / 1,377,115.74-1,900,298.76-765,229.74

Finding the Fourth Proportional to 1,377,115.74, 1,900,298.76 and 765,229.74

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Solution

The fourth proportional to 1,377,115.74, 1,900,298.76 and 765,229.74 is: 1,055,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,115.74 : 1,900,298.76 = 765,229.74 : x
  2. Step 2: Convert to fraction form
    1,377,115.74/1,900,298.76 = 765,229.74/x
  3. Step 3: Cross multiply
    1,377,115.74x = 1,900,298.76 × 765,229.74
  4. Step 4: Simplify right side
    1,377,115.74x = 1,454,165,126,037.12
  5. Step 5: Solve for x
    x = 1,454,165,126,037.12/1,377,115.74
  6. Step 6: Final answer
    x = 1,055,949.83

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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.