Home / 1,431,540.89-2,147,255.29-484,911.61

Finding the Fourth Proportional to 1,431,540.89, 2,147,255.29 and 484,911.61

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Solution

The fourth proportional to 1,431,540.89, 2,147,255.29 and 484,911.61 is: 727,348.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,540.89 : 2,147,255.29 = 484,911.61 : x
  2. Step 2: Convert to fraction form
    1,431,540.89/2,147,255.29 = 484,911.61/x
  3. Step 3: Cross multiply
    1,431,540.89x = 2,147,255.29 × 484,911.61
  4. Step 4: Simplify right side
    1,431,540.89x = 1,041,229,007,806.36
  5. Step 5: Solve for x
    x = 1,041,229,007,806.36/1,431,540.89
  6. Step 6: Final answer
    x = 727,348.42

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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.