Home / 1,375,982.20-2,062,223.70-1,225,516.60

Finding the Fourth Proportional to 1,375,982.20, 2,062,223.70 and 1,225,516.60

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Solution

The fourth proportional to 1,375,982.20, 2,062,223.70 and 1,225,516.60 is: 1,836,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,982.20 : 2,062,223.70 = 1,225,516.60 : x
  2. Step 2: Convert to fraction form
    1,375,982.20/2,062,223.70 = 1,225,516.60/x
  3. Step 3: Cross multiply
    1,375,982.20x = 2,062,223.70 × 1,225,516.60
  4. Step 4: Simplify right side
    1,375,982.20x = 2,527,289,377,263.42
  5. Step 5: Solve for x
    x = 2,527,289,377,263.42/1,375,982.20
  6. Step 6: Final answer
    x = 1,836,716.62

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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.