Home / 1,327,001.52-1,990,503.72-329,729.52

Finding the Fourth Proportional to 1,327,001.52, 1,990,503.72 and 329,729.52

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Solution

The fourth proportional to 1,327,001.52, 1,990,503.72 and 329,729.52 is: 494,594.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,001.52 : 1,990,503.72 = 329,729.52 : x
  2. Step 2: Convert to fraction form
    1,327,001.52/1,990,503.72 = 329,729.52/x
  3. Step 3: Cross multiply
    1,327,001.52x = 1,990,503.72 × 329,729.52
  4. Step 4: Simplify right side
    1,327,001.52x = 656,327,836,153.82
  5. Step 5: Solve for x
    x = 656,327,836,153.82/1,327,001.52
  6. Step 6: Final answer
    x = 494,594.64

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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.