Home / 1,042,206.39-1,561,695.46-722,979.11

Finding the Fourth Proportional to 1,042,206.39, 1,561,695.46 and 722,979.11

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Solution

The fourth proportional to 1,042,206.39, 1,561,695.46 and 722,979.11 is: 1,083,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,206.39 : 1,561,695.46 = 722,979.11 : x
  2. Step 2: Convert to fraction form
    1,042,206.39/1,561,695.46 = 722,979.11/x
  3. Step 3: Cross multiply
    1,042,206.39x = 1,561,695.46 × 722,979.11
  4. Step 4: Simplify right side
    1,042,206.39x = 1,129,073,195,858.63
  5. Step 5: Solve for x
    x = 1,129,073,195,858.63/1,042,206.39
  6. Step 6: Final answer
    x = 1,083,348.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.