Home / 755,375.60-1,133,063.40-726,345.20

Finding the Fourth Proportional to 755,375.60, 1,133,063.40 and 726,345.20

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Solution

The fourth proportional to 755,375.60, 1,133,063.40 and 726,345.20 is: 1,089,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,375.60 : 1,133,063.40 = 726,345.20 : x
  2. Step 2: Convert to fraction form
    755,375.60/1,133,063.40 = 726,345.20/x
  3. Step 3: Cross multiply
    755,375.60x = 1,133,063.40 × 726,345.20
  4. Step 4: Simplify right side
    755,375.60x = 822,995,161,885.68
  5. Step 5: Solve for x
    x = 822,995,161,885.68/755,375.60
  6. Step 6: Final answer
    x = 1,089,517.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.