Home / 1,001,019.57-1,381,400.15-542,123.60

Finding the Fourth Proportional to 1,001,019.57, 1,381,400.15 and 542,123.60

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Solution

The fourth proportional to 1,001,019.57, 1,381,400.15 and 542,123.60 is: 748,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,019.57 : 1,381,400.15 = 542,123.60 : x
  2. Step 2: Convert to fraction form
    1,001,019.57/1,381,400.15 = 542,123.60/x
  3. Step 3: Cross multiply
    1,001,019.57x = 1,381,400.15 × 542,123.60
  4. Step 4: Simplify right side
    1,001,019.57x = 748,889,612,740.92
  5. Step 5: Solve for x
    x = 748,889,612,740.92/1,001,019.57
  6. Step 6: Final answer
    x = 748,126.85

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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.