Home / 1,489,164.80-2,234,377.17-814,458.42

Finding the Fourth Proportional to 1,489,164.80, 2,234,377.17 and 814,458.42

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Solution

The fourth proportional to 1,489,164.80, 2,234,377.17 and 814,458.42 is: 1,222,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,164.80 : 2,234,377.17 = 814,458.42 : x
  2. Step 2: Convert to fraction form
    1,489,164.80/2,234,377.17 = 814,458.42/x
  3. Step 3: Cross multiply
    1,489,164.80x = 2,234,377.17 × 814,458.42
  4. Step 4: Simplify right side
    1,489,164.80x = 1,819,807,299,562.27
  5. Step 5: Solve for x
    x = 1,819,807,299,562.27/1,489,164.80
  6. Step 6: Final answer
    x = 1,222,032.18

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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.