Home / 1,377,003.92-1,900,308.20-756,797.84

Finding the Fourth Proportional to 1,377,003.92, 1,900,308.20 and 756,797.84

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Solution

The fourth proportional to 1,377,003.92, 1,900,308.20 and 756,797.84 is: 1,044,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,003.92 : 1,900,308.20 = 756,797.84 : x
  2. Step 2: Convert to fraction form
    1,377,003.92/1,900,308.20 = 756,797.84/x
  3. Step 3: Cross multiply
    1,377,003.92x = 1,900,308.20 × 756,797.84
  4. Step 4: Simplify right side
    1,377,003.92x = 1,438,149,134,934.91
  5. Step 5: Solve for x
    x = 1,438,149,134,934.91/1,377,003.92
  6. Step 6: Final answer
    x = 1,044,404.54

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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.