Home / 1,252,973.61-1,729,104.77-680,013.93

Finding the Fourth Proportional to 1,252,973.61, 1,729,104.77 and 680,013.93

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Solution

The fourth proportional to 1,252,973.61, 1,729,104.77 and 680,013.93 is: 938,419.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,973.61 : 1,729,104.77 = 680,013.93 : x
  2. Step 2: Convert to fraction form
    1,252,973.61/1,729,104.77 = 680,013.93/x
  3. Step 3: Cross multiply
    1,252,973.61x = 1,729,104.77 × 680,013.93
  4. Step 4: Simplify right side
    1,252,973.61x = 1,175,815,338,213.62
  5. Step 5: Solve for x
    x = 1,175,815,338,213.62/1,252,973.61
  6. Step 6: Final answer
    x = 938,419.87

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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.