Home / 1,649,178.47-2,472,041.32-690,183.56

Finding the Fourth Proportional to 1,649,178.47, 2,472,041.32 and 690,183.56

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Solution

The fourth proportional to 1,649,178.47, 2,472,041.32 and 690,183.56 is: 1,034,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649,178.47 : 2,472,041.32 = 690,183.56 : x
  2. Step 2: Convert to fraction form
    1,649,178.47/2,472,041.32 = 690,183.56/x
  3. Step 3: Cross multiply
    1,649,178.47x = 2,472,041.32 × 690,183.56
  4. Step 4: Simplify right side
    1,649,178.47x = 1,706,162,278,704.70
  5. Step 5: Solve for x
    x = 1,706,162,278,704.70/1,649,178.47
  6. Step 6: Final answer
    x = 1,034,552.85

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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.