Home / 1,592,872.20-2,198,138.28-867,728.64

Finding the Fourth Proportional to 1,592,872.20, 2,198,138.28 and 867,728.64

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Solution

The fourth proportional to 1,592,872.20, 2,198,138.28 and 867,728.64 is: 1,197,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592,872.20 : 2,198,138.28 = 867,728.64 : x
  2. Step 2: Convert to fraction form
    1,592,872.20/2,198,138.28 = 867,728.64/x
  3. Step 3: Cross multiply
    1,592,872.20x = 2,198,138.28 × 867,728.64
  4. Step 4: Simplify right side
    1,592,872.20x = 1,907,387,540,236.34
  5. Step 5: Solve for x
    x = 1,907,387,540,236.34/1,592,872.20
  6. Step 6: Final answer
    x = 1,197,451.71

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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.