Home / 1,247,942.68-1,722,155.26-674,981.49

Finding the Fourth Proportional to 1,247,942.68, 1,722,155.26 and 674,981.49

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Solution

The fourth proportional to 1,247,942.68, 1,722,155.26 and 674,981.49 is: 931,471.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,942.68 : 1,722,155.26 = 674,981.49 : x
  2. Step 2: Convert to fraction form
    1,247,942.68/1,722,155.26 = 674,981.49/x
  3. Step 3: Cross multiply
    1,247,942.68x = 1,722,155.26 × 674,981.49
  4. Step 4: Simplify right side
    1,247,942.68x = 1,162,422,923,406.14
  5. Step 5: Solve for x
    x = 1,162,422,923,406.14/1,247,942.68
  6. Step 6: Final answer
    x = 931,471.41

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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.