Home / 992,001.30-1,488,059.55-282,081.30

Finding the Fourth Proportional to 992,001.30, 1,488,059.55 and 282,081.30

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Solution

The fourth proportional to 992,001.30, 1,488,059.55 and 282,081.30 is: 423,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,001.30 : 1,488,059.55 = 282,081.30 : x
  2. Step 2: Convert to fraction form
    992,001.30/1,488,059.55 = 282,081.30/x
  3. Step 3: Cross multiply
    992,001.30x = 1,488,059.55 × 282,081.30
  4. Step 4: Simplify right side
    992,001.30x = 419,753,772,341.42
  5. Step 5: Solve for x
    x = 419,753,772,341.42/992,001.30
  6. Step 6: Final answer
    x = 423,138.33

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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.