Home / 1,728,260.28-2,384,617.38-1,002,687.72

Finding the Fourth Proportional to 1,728,260.28, 2,384,617.38 and 1,002,687.72

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Solution

The fourth proportional to 1,728,260.28, 2,384,617.38 and 1,002,687.72 is: 1,383,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,260.28 : 2,384,617.38 = 1,002,687.72 : x
  2. Step 2: Convert to fraction form
    1,728,260.28/2,384,617.38 = 1,002,687.72/x
  3. Step 3: Cross multiply
    1,728,260.28x = 2,384,617.38 × 1,002,687.72
  4. Step 4: Simplify right side
    1,728,260.28x = 2,391,026,563,824.57
  5. Step 5: Solve for x
    x = 2,391,026,563,824.57/1,728,260.28
  6. Step 6: Final answer
    x = 1,383,487.54

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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.