Home / 1,001,042.89-1,381,438.74-542,157.48

Finding the Fourth Proportional to 1,001,042.89, 1,381,438.74 and 542,157.48

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Solution

The fourth proportional to 1,001,042.89, 1,381,438.74 and 542,157.48 is: 748,177.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,042.89 : 1,381,438.74 = 542,157.48 : x
  2. Step 2: Convert to fraction form
    1,001,042.89/1,381,438.74 = 542,157.48/x
  3. Step 3: Cross multiply
    1,001,042.89x = 1,381,438.74 × 542,157.48
  4. Step 4: Simplify right side
    1,001,042.89x = 748,957,346,052.78
  5. Step 5: Solve for x
    x = 748,957,346,052.78/1,001,042.89
  6. Step 6: Final answer
    x = 748,177.08

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Double scale
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1.5x scale

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.