Home / 1,339,571.28-1,848,601.04-727,719.20

Finding the Fourth Proportional to 1,339,571.28, 1,848,601.04 and 727,719.20

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Solution

The fourth proportional to 1,339,571.28, 1,848,601.04 and 727,719.20 is: 1,004,248.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,571.28 : 1,848,601.04 = 727,719.20 : x
  2. Step 2: Convert to fraction form
    1,339,571.28/1,848,601.04 = 727,719.20/x
  3. Step 3: Cross multiply
    1,339,571.28x = 1,848,601.04 × 727,719.20
  4. Step 4: Simplify right side
    1,339,571.28x = 1,345,262,469,947.97
  5. Step 5: Solve for x
    x = 1,345,262,469,947.97/1,339,571.28
  6. Step 6: Final answer
    x = 1,004,248.52

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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.