Home / 1,397,318.10-2,098,511.55-1,223,135.70

Finding the Fourth Proportional to 1,397,318.10, 2,098,511.55 and 1,223,135.70

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Solution

The fourth proportional to 1,397,318.10, 2,098,511.55 and 1,223,135.70 is: 1,836,922.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,318.10 : 2,098,511.55 = 1,223,135.70 : x
  2. Step 2: Convert to fraction form
    1,397,318.10/2,098,511.55 = 1,223,135.70/x
  3. Step 3: Cross multiply
    1,397,318.10x = 2,098,511.55 × 1,223,135.70
  4. Step 4: Simplify right side
    1,397,318.10x = 2,566,764,393,667.33
  5. Step 5: Solve for x
    x = 2,566,764,393,667.33/1,397,318.10
  6. Step 6: Final answer
    x = 1,836,922.02

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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.