Home / 1,251,425.97-1,726,838.60-768,011.49

Finding the Fourth Proportional to 1,251,425.97, 1,726,838.60 and 768,011.49

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Solution

The fourth proportional to 1,251,425.97, 1,726,838.60 and 768,011.49 is: 1,059,776.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,425.97 : 1,726,838.60 = 768,011.49 : x
  2. Step 2: Convert to fraction form
    1,251,425.97/1,726,838.60 = 768,011.49/x
  3. Step 3: Cross multiply
    1,251,425.97x = 1,726,838.60 × 768,011.49
  4. Step 4: Simplify right side
    1,251,425.97x = 1,326,231,882,335.46
  5. Step 5: Solve for x
    x = 1,326,231,882,335.46/1,251,425.97
  6. Step 6: Final answer
    x = 1,059,776.54

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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.