Home / 1,251,398.97-1,726,801.34-767,984.49

Finding the Fourth Proportional to 1,251,398.97, 1,726,801.34 and 767,984.49

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Solution

The fourth proportional to 1,251,398.97, 1,726,801.34 and 767,984.49 is: 1,059,739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,398.97 : 1,726,801.34 = 767,984.49 : x
  2. Step 2: Convert to fraction form
    1,251,398.97/1,726,801.34 = 767,984.49/x
  3. Step 3: Cross multiply
    1,251,398.97x = 1,726,801.34 × 767,984.49
  4. Step 4: Simplify right side
    1,251,398.97x = 1,326,156,642,591.29
  5. Step 5: Solve for x
    x = 1,326,156,642,591.29/1,251,398.97
  6. Step 6: Final answer
    x = 1,059,739.28

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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.