Home / 1,251,209.64-1,876,524.66-745,912.20

Finding the Fourth Proportional to 1,251,209.64, 1,876,524.66 and 745,912.20

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Solution

The fourth proportional to 1,251,209.64, 1,876,524.66 and 745,912.20 is: 1,118,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,209.64 : 1,876,524.66 = 745,912.20 : x
  2. Step 2: Convert to fraction form
    1,251,209.64/1,876,524.66 = 745,912.20/x
  3. Step 3: Cross multiply
    1,251,209.64x = 1,876,524.66 × 745,912.20
  4. Step 4: Simplify right side
    1,251,209.64x = 1,399,722,637,494.85
  5. Step 5: Solve for x
    x = 1,399,722,637,494.85/1,251,209.64
  6. Step 6: Final answer
    x = 1,118,695.53

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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.