Home / 1,266,445.45-1,747,691.80-693,480.61

Finding the Fourth Proportional to 1,266,445.45, 1,747,691.80 and 693,480.61

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Solution

The fourth proportional to 1,266,445.45, 1,747,691.80 and 693,480.61 is: 957,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,445.45 : 1,747,691.80 = 693,480.61 : x
  2. Step 2: Convert to fraction form
    1,266,445.45/1,747,691.80 = 693,480.61/x
  3. Step 3: Cross multiply
    1,266,445.45x = 1,747,691.80 × 693,480.61
  4. Step 4: Simplify right side
    1,266,445.45x = 1,211,990,375,556.00
  5. Step 5: Solve for x
    x = 1,211,990,375,556.00/1,266,445.45
  6. Step 6: Final answer
    x = 957,001.64

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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.