Home / 720,241.92-1,080,363.36-187,761.60

Finding the Fourth Proportional to 720,241.92, 1,080,363.36 and 187,761.60

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Solution

The fourth proportional to 720,241.92, 1,080,363.36 and 187,761.60 is: 281,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,241.92 : 1,080,363.36 = 187,761.60 : x
  2. Step 2: Convert to fraction form
    720,241.92/1,080,363.36 = 187,761.60/x
  3. Step 3: Cross multiply
    720,241.92x = 1,080,363.36 × 187,761.60
  4. Step 4: Simplify right side
    720,241.92x = 202,850,753,054.98
  5. Step 5: Solve for x
    x = 202,850,753,054.98/720,241.92
  6. Step 6: Final answer
    x = 281,642.53

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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.