Home / 1,520,625.57-2,098,469.69-822,906.42

Finding the Fourth Proportional to 1,520,625.57, 2,098,469.69 and 822,906.42

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Solution

The fourth proportional to 1,520,625.57, 2,098,469.69 and 822,906.42 is: 1,135,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,625.57 : 2,098,469.69 = 822,906.42 : x
  2. Step 2: Convert to fraction form
    1,520,625.57/2,098,469.69 = 822,906.42/x
  3. Step 3: Cross multiply
    1,520,625.57x = 2,098,469.69 × 822,906.42
  4. Step 4: Simplify right side
    1,520,625.57x = 1,726,844,182,982.41
  5. Step 5: Solve for x
    x = 1,726,844,182,982.41/1,520,625.57
  6. Step 6: Final answer
    x = 1,135,614.33

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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.