Home / 1,300,909.97-1,951,217.12-502,122.80

Finding the Fourth Proportional to 1,300,909.97, 1,951,217.12 and 502,122.80

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Solution

The fourth proportional to 1,300,909.97, 1,951,217.12 and 502,122.80 is: 753,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,909.97 : 1,951,217.12 = 502,122.80 : x
  2. Step 2: Convert to fraction form
    1,300,909.97/1,951,217.12 = 502,122.80/x
  3. Step 3: Cross multiply
    1,300,909.97x = 1,951,217.12 × 502,122.80
  4. Step 4: Simplify right side
    1,300,909.97x = 979,750,591,435.64
  5. Step 5: Solve for x
    x = 979,750,591,435.64/1,300,909.97
  6. Step 6: Final answer
    x = 753,127.13

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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.