Home / 1,419,997.92-1,959,613.20-775,425.84

Finding the Fourth Proportional to 1,419,997.92, 1,959,613.20 and 775,425.84

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Solution

The fourth proportional to 1,419,997.92, 1,959,613.20 and 775,425.84 is: 1,070,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,997.92 : 1,959,613.20 = 775,425.84 : x
  2. Step 2: Convert to fraction form
    1,419,997.92/1,959,613.20 = 775,425.84/x
  3. Step 3: Cross multiply
    1,419,997.92x = 1,959,613.20 × 775,425.84
  4. Step 4: Simplify right side
    1,419,997.92x = 1,519,534,711,685.09
  5. Step 5: Solve for x
    x = 1,519,534,711,685.09/1,419,997.92
  6. Step 6: Final answer
    x = 1,070,096.43

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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.