Home / 1,247,942.43-1,722,154.92-674,981.24

Finding the Fourth Proportional to 1,247,942.43, 1,722,154.92 and 674,981.24

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Solution

The fourth proportional to 1,247,942.43, 1,722,154.92 and 674,981.24 is: 931,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,942.43 : 1,722,154.92 = 674,981.24 : x
  2. Step 2: Convert to fraction form
    1,247,942.43/1,722,154.92 = 674,981.24/x
  3. Step 3: Cross multiply
    1,247,942.43x = 1,722,154.92 × 674,981.24
  4. Step 4: Simplify right side
    1,247,942.43x = 1,162,422,254,762.93
  5. Step 5: Solve for x
    x = 1,162,422,254,762.93/1,247,942.43
  6. Step 6: Final answer
    x = 931,471.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.