Home / 1,659,143.80-2,289,687.78-933,992.92

Finding the Fourth Proportional to 1,659,143.80, 2,289,687.78 and 933,992.92

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Solution

The fourth proportional to 1,659,143.80, 2,289,687.78 and 933,992.92 is: 1,288,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,143.80 : 2,289,687.78 = 933,992.92 : x
  2. Step 2: Convert to fraction form
    1,659,143.80/2,289,687.78 = 933,992.92/x
  3. Step 3: Cross multiply
    1,659,143.80x = 2,289,687.78 × 933,992.92
  4. Step 4: Simplify right side
    1,659,143.80x = 2,138,552,175,530.52
  5. Step 5: Solve for x
    x = 2,138,552,175,530.52/1,659,143.80
  6. Step 6: Final answer
    x = 1,288,949.26

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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.