Home / 1,279,359.95-1,765,470.38-706,387.82

Finding the Fourth Proportional to 1,279,359.95, 1,765,470.38 and 706,387.82

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Solution

The fourth proportional to 1,279,359.95, 1,765,470.38 and 706,387.82 is: 974,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,359.95 : 1,765,470.38 = 706,387.82 : x
  2. Step 2: Convert to fraction form
    1,279,359.95/1,765,470.38 = 706,387.82/x
  3. Step 3: Cross multiply
    1,279,359.95x = 1,765,470.38 × 706,387.82
  4. Step 4: Simplify right side
    1,279,359.95x = 1,247,106,760,643.48
  5. Step 5: Solve for x
    x = 1,247,106,760,643.48/1,279,359.95
  6. Step 6: Final answer
    x = 974,789.59

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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.