Home / 1,468,387.20-2,202,062.40-521,788.80

Finding the Fourth Proportional to 1,468,387.20, 2,202,062.40 and 521,788.80

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Solution

The fourth proportional to 1,468,387.20, 2,202,062.40 and 521,788.80 is: 782,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468,387.20 : 2,202,062.40 = 521,788.80 : x
  2. Step 2: Convert to fraction form
    1,468,387.20/2,202,062.40 = 521,788.80/x
  3. Step 3: Cross multiply
    1,468,387.20x = 2,202,062.40 × 521,788.80
  4. Step 4: Simplify right side
    1,468,387.20x = 1,149,011,497,221.12
  5. Step 5: Solve for x
    x = 1,149,011,497,221.12/1,468,387.20
  6. Step 6: Final answer
    x = 782,498.99

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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.