Home / 1,253,042.24-1,729,214.88-680,089.28

Finding the Fourth Proportional to 1,253,042.24, 1,729,214.88 and 680,089.28

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Solution

The fourth proportional to 1,253,042.24, 1,729,214.88 and 680,089.28 is: 938,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,042.24 : 1,729,214.88 = 680,089.28 : x
  2. Step 2: Convert to fraction form
    1,253,042.24/1,729,214.88 = 680,089.28/x
  3. Step 3: Cross multiply
    1,253,042.24x = 1,729,214.88 × 680,089.28
  4. Step 4: Simplify right side
    1,253,042.24x = 1,176,020,502,704.49
  5. Step 5: Solve for x
    x = 1,176,020,502,704.49/1,253,042.24
  6. Step 6: Final answer
    x = 938,532.21

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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.