Home / 1,001,393.43-1,381,921.32-542,519.70

Finding the Fourth Proportional to 1,001,393.43, 1,381,921.32 and 542,519.70

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Solution

The fourth proportional to 1,001,393.43, 1,381,921.32 and 542,519.70 is: 748,676.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,393.43 : 1,381,921.32 = 542,519.70 : x
  2. Step 2: Convert to fraction form
    1,001,393.43/1,381,921.32 = 542,519.70/x
  3. Step 3: Cross multiply
    1,001,393.43x = 1,381,921.32 × 542,519.70
  4. Step 4: Simplify right side
    1,001,393.43x = 749,719,539,950.00
  5. Step 5: Solve for x
    x = 749,719,539,950.00/1,001,393.43
  6. Step 6: Final answer
    x = 748,676.31

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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.