Home / 1,001,335.56-1,381,837.08-542,458.80

Finding the Fourth Proportional to 1,001,335.56, 1,381,837.08 and 542,458.80

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Solution

The fourth proportional to 1,001,335.56, 1,381,837.08 and 542,458.80 is: 748,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,335.56 : 1,381,837.08 = 542,458.80 : x
  2. Step 2: Convert to fraction form
    1,001,335.56/1,381,837.08 = 542,458.80/x
  3. Step 3: Cross multiply
    1,001,335.56x = 1,381,837.08 × 542,458.80
  4. Step 4: Simplify right side
    1,001,335.56x = 749,589,684,212.30
  5. Step 5: Solve for x
    x = 749,589,684,212.30/1,001,335.56
  6. Step 6: Final answer
    x = 748,589.90

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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.