Home / 1,222,612.70-1,834,793.85-513,149.90

Finding the Fourth Proportional to 1,222,612.70, 1,834,793.85 and 513,149.90

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Solution

The fourth proportional to 1,222,612.70, 1,834,793.85 and 513,149.90 is: 770,092.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,612.70 : 1,834,793.85 = 513,149.90 : x
  2. Step 2: Convert to fraction form
    1,222,612.70/1,834,793.85 = 513,149.90/x
  3. Step 3: Cross multiply
    1,222,612.70x = 1,834,793.85 × 513,149.90
  4. Step 4: Simplify right side
    1,222,612.70x = 941,524,280,648.12
  5. Step 5: Solve for x
    x = 941,524,280,648.12/1,222,612.70
  6. Step 6: Final answer
    x = 770,092.02

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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.