Home / 1,435,685.29-1,981,287.26-791,147.02

Finding the Fourth Proportional to 1,435,685.29, 1,981,287.26 and 791,147.02

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Solution

The fourth proportional to 1,435,685.29, 1,981,287.26 and 791,147.02 is: 1,091,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,685.29 : 1,981,287.26 = 791,147.02 : x
  2. Step 2: Convert to fraction form
    1,435,685.29/1,981,287.26 = 791,147.02/x
  3. Step 3: Cross multiply
    1,435,685.29x = 1,981,287.26 × 791,147.02
  4. Step 4: Simplify right side
    1,435,685.29x = 1,567,489,511,512.97
  5. Step 5: Solve for x
    x = 1,567,489,511,512.97/1,435,685.29
  6. Step 6: Final answer
    x = 1,091,805.79

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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.