Home / 1,010,344.25-1,394,275.05-688,616.39

Finding the Fourth Proportional to 1,010,344.25, 1,394,275.05 and 688,616.39

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Solution

The fourth proportional to 1,010,344.25, 1,394,275.05 and 688,616.39 is: 950,290.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,344.25 : 1,394,275.05 = 688,616.39 : x
  2. Step 2: Convert to fraction form
    1,010,344.25/1,394,275.05 = 688,616.39/x
  3. Step 3: Cross multiply
    1,010,344.25x = 1,394,275.05 × 688,616.39
  4. Step 4: Simplify right side
    1,010,344.25x = 960,120,644,626.69
  5. Step 5: Solve for x
    x = 960,120,644,626.69/1,010,344.25
  6. Step 6: Final answer
    x = 950,290.61

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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.