Home / 1,431,520.56-2,147,224.68-484,891.20

Finding the Fourth Proportional to 1,431,520.56, 2,147,224.68 and 484,891.20

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Solution

The fourth proportional to 1,431,520.56, 2,147,224.68 and 484,891.20 is: 727,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,520.56 : 2,147,224.68 = 484,891.20 : x
  2. Step 2: Convert to fraction form
    1,431,520.56/2,147,224.68 = 484,891.20/x
  3. Step 3: Cross multiply
    1,431,520.56x = 2,147,224.68 × 484,891.20
  4. Step 4: Simplify right side
    1,431,520.56x = 1,041,170,351,754.82
  5. Step 5: Solve for x
    x = 1,041,170,351,754.82/1,431,520.56
  6. Step 6: Final answer
    x = 727,317.78

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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.