Home / 1,001,251.28-1,381,733.45-542,365.88

Finding the Fourth Proportional to 1,001,251.28, 1,381,733.45 and 542,365.88

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Solution

The fourth proportional to 1,001,251.28, 1,381,733.45 and 542,365.88 is: 748,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,251.28 : 1,381,733.45 = 542,365.88 : x
  2. Step 2: Convert to fraction form
    1,001,251.28/1,381,733.45 = 542,365.88/x
  3. Step 3: Cross multiply
    1,001,251.28x = 1,381,733.45 × 542,365.88
  4. Step 4: Simplify right side
    1,001,251.28x = 749,405,078,534.69
  5. Step 5: Solve for x
    x = 749,405,078,534.69/1,001,251.28
  6. Step 6: Final answer
    x = 748,468.53

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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.