Home / 1,752,979.26-2,419,062.30-989,103.90

Finding the Fourth Proportional to 1,752,979.26, 2,419,062.30 and 989,103.90

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Solution

The fourth proportional to 1,752,979.26, 2,419,062.30 and 989,103.90 is: 1,364,935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,979.26 : 2,419,062.30 = 989,103.90 : x
  2. Step 2: Convert to fraction form
    1,752,979.26/2,419,062.30 = 989,103.90/x
  3. Step 3: Cross multiply
    1,752,979.26x = 2,419,062.30 × 989,103.90
  4. Step 4: Simplify right side
    1,752,979.26x = 2,392,703,955,272.97
  5. Step 5: Solve for x
    x = 2,392,703,955,272.97/1,752,979.26
  6. Step 6: Final answer
    x = 1,364,935.69

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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.