Home / 1,279,761.84-1,766,060.46-706,789.71

Finding the Fourth Proportional to 1,279,761.84, 1,766,060.46 and 706,789.71

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Solution

The fourth proportional to 1,279,761.84, 1,766,060.46 and 706,789.71 is: 975,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,761.84 : 1,766,060.46 = 706,789.71 : x
  2. Step 2: Convert to fraction form
    1,279,761.84/1,766,060.46 = 706,789.71/x
  3. Step 3: Cross multiply
    1,279,761.84x = 1,766,060.46 × 706,789.71
  4. Step 4: Simplify right side
    1,279,761.84x = 1,248,233,360,365.87
  5. Step 5: Solve for x
    x = 1,248,233,360,365.87/1,279,761.84
  6. Step 6: Final answer
    x = 975,363.79

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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.