Home / 1,394,988.38-1,925,294.07-851,440.03

Finding the Fourth Proportional to 1,394,988.38, 1,925,294.07 and 851,440.03

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Solution

The fourth proportional to 1,394,988.38, 1,925,294.07 and 851,440.03 is: 1,175,115.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,988.38 : 1,925,294.07 = 851,440.03 : x
  2. Step 2: Convert to fraction form
    1,394,988.38/1,925,294.07 = 851,440.03/x
  3. Step 3: Cross multiply
    1,394,988.38x = 1,925,294.07 × 851,440.03
  4. Step 4: Simplify right side
    1,394,988.38x = 1,639,272,435,906.39
  5. Step 5: Solve for x
    x = 1,639,272,435,906.39/1,394,988.38
  6. Step 6: Final answer
    x = 1,175,115.48

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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.