Home / 1,503,818.10-2,255,727.15-1,320,766.20

Finding the Fourth Proportional to 1,503,818.10, 2,255,727.15 and 1,320,766.20

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Solution

The fourth proportional to 1,503,818.10, 2,255,727.15 and 1,320,766.20 is: 1,981,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,818.10 : 2,255,727.15 = 1,320,766.20 : x
  2. Step 2: Convert to fraction form
    1,503,818.10/2,255,727.15 = 1,320,766.20/x
  3. Step 3: Cross multiply
    1,503,818.10x = 2,255,727.15 × 1,320,766.20
  4. Step 4: Simplify right side
    1,503,818.10x = 2,979,288,176,142.33
  5. Step 5: Solve for x
    x = 2,979,288,176,142.33/1,503,818.10
  6. Step 6: Final answer
    x = 1,981,149.30

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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.