Home / 1,267,229.25-1,900,846.31-307,680.80

Finding the Fourth Proportional to 1,267,229.25, 1,900,846.31 and 307,680.80

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Solution

The fourth proportional to 1,267,229.25, 1,900,846.31 and 307,680.80 is: 461,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,229.25 : 1,900,846.31 = 307,680.80 : x
  2. Step 2: Convert to fraction form
    1,267,229.25/1,900,846.31 = 307,680.80/x
  3. Step 3: Cross multiply
    1,267,229.25x = 1,900,846.31 × 307,680.80
  4. Step 4: Simplify right side
    1,267,229.25x = 584,853,902,295.21
  5. Step 5: Solve for x
    x = 584,853,902,295.21/1,267,229.25
  6. Step 6: Final answer
    x = 461,521.78

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.