Home / 1,001,019.07-1,381,399.45-542,123.09

Finding the Fourth Proportional to 1,001,019.07, 1,381,399.45 and 542,123.09

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Solution

The fourth proportional to 1,001,019.07, 1,381,399.45 and 542,123.09 is: 748,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,019.07 : 1,381,399.45 = 542,123.09 : x
  2. Step 2: Convert to fraction form
    1,001,019.07/1,381,399.45 = 542,123.09/x
  3. Step 3: Cross multiply
    1,001,019.07x = 1,381,399.45 × 542,123.09
  4. Step 4: Simplify right side
    1,001,019.07x = 748,888,538,358.30
  5. Step 5: Solve for x
    x = 748,888,538,358.30/1,001,019.07
  6. Step 6: Final answer
    x = 748,126.15

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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.