Home / 792,086.43-1,187,655.18-252,109.47

Finding the Fourth Proportional to 792,086.43, 1,187,655.18 and 252,109.47

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Solution

The fourth proportional to 792,086.43, 1,187,655.18 and 252,109.47 is: 378,013.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,086.43 : 1,187,655.18 = 252,109.47 : x
  2. Step 2: Convert to fraction form
    792,086.43/1,187,655.18 = 252,109.47/x
  3. Step 3: Cross multiply
    792,086.43x = 1,187,655.18 × 252,109.47
  4. Step 4: Simplify right side
    792,086.43x = 299,419,117,972.56
  5. Step 5: Solve for x
    x = 299,419,117,972.56/792,086.43
  6. Step 6: Final answer
    x = 378,013.19

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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.