Home / 1,270,070.28-1,753,517.77-787,147.88

Finding the Fourth Proportional to 1,270,070.28, 1,753,517.77 and 787,147.88

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Solution

The fourth proportional to 1,270,070.28, 1,753,517.77 and 787,147.88 is: 1,086,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,070.28 : 1,753,517.77 = 787,147.88 : x
  2. Step 2: Convert to fraction form
    1,270,070.28/1,753,517.77 = 787,147.88/x
  3. Step 3: Cross multiply
    1,270,070.28x = 1,753,517.77 × 787,147.88
  4. Step 4: Simplify right side
    1,270,070.28x = 1,380,277,784,462.37
  5. Step 5: Solve for x
    x = 1,380,277,784,462.37/1,270,070.28
  6. Step 6: Final answer
    x = 1,086,772.76

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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.