Home / 1,065,220.47-1,469,948.92-581,691.17

Finding the Fourth Proportional to 1,065,220.47, 1,469,948.92 and 581,691.17

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Solution

The fourth proportional to 1,065,220.47, 1,469,948.92 and 581,691.17 is: 802,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,220.47 : 1,469,948.92 = 581,691.17 : x
  2. Step 2: Convert to fraction form
    1,065,220.47/1,469,948.92 = 581,691.17/x
  3. Step 3: Cross multiply
    1,065,220.47x = 1,469,948.92 × 581,691.17
  4. Step 4: Simplify right side
    1,065,220.47x = 855,056,309,335.68
  5. Step 5: Solve for x
    x = 855,056,309,335.68/1,065,220.47
  6. Step 6: Final answer
    x = 802,703.60

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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.