Home / 1,143,972.52-1,578,724.26-691,176.04

Finding the Fourth Proportional to 1,143,972.52, 1,578,724.26 and 691,176.04

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Solution

The fourth proportional to 1,143,972.52, 1,578,724.26 and 691,176.04 is: 953,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,972.52 : 1,578,724.26 = 691,176.04 : x
  2. Step 2: Convert to fraction form
    1,143,972.52/1,578,724.26 = 691,176.04/x
  3. Step 3: Cross multiply
    1,143,972.52x = 1,578,724.26 × 691,176.04
  4. Step 4: Simplify right side
    1,143,972.52x = 1,091,176,382,278.73
  5. Step 5: Solve for x
    x = 1,091,176,382,278.73/1,143,972.52
  6. Step 6: Final answer
    x = 953,848.42

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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.