Home / 1,292,277.80-1,940,490.30-873,410.60

Finding the Fourth Proportional to 1,292,277.80, 1,940,490.30 and 873,410.60

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Solution

The fourth proportional to 1,292,277.80, 1,940,490.30 and 873,410.60 is: 1,311,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,277.80 : 1,940,490.30 = 873,410.60 : x
  2. Step 2: Convert to fraction form
    1,292,277.80/1,940,490.30 = 873,410.60/x
  3. Step 3: Cross multiply
    1,292,277.80x = 1,940,490.30 × 873,410.60
  4. Step 4: Simplify right side
    1,292,277.80x = 1,694,844,797,217.18
  5. Step 5: Solve for x
    x = 1,694,844,797,217.18/1,292,277.80
  6. Step 6: Final answer
    x = 1,311,517.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.