Home / 1,224,127.26-1,689,338.13-680,285.97

Finding the Fourth Proportional to 1,224,127.26, 1,689,338.13 and 680,285.97

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Solution

The fourth proportional to 1,224,127.26, 1,689,338.13 and 680,285.97 is: 938,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,127.26 : 1,689,338.13 = 680,285.97 : x
  2. Step 2: Convert to fraction form
    1,224,127.26/1,689,338.13 = 680,285.97/x
  3. Step 3: Cross multiply
    1,224,127.26x = 1,689,338.13 × 680,285.97
  4. Step 4: Simplify right side
    1,224,127.26x = 1,149,233,028,425.04
  5. Step 5: Solve for x
    x = 1,149,233,028,425.04/1,224,127.26
  6. Step 6: Final answer
    x = 938,818.26

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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.