Home / 1,085,790.80-1,629,321.24-454,651.76

Finding the Fourth Proportional to 1,085,790.80, 1,629,321.24 and 454,651.76

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Solution

The fourth proportional to 1,085,790.80, 1,629,321.24 and 454,651.76 is: 682,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,790.80 : 1,629,321.24 = 454,651.76 : x
  2. Step 2: Convert to fraction form
    1,085,790.80/1,629,321.24 = 454,651.76/x
  3. Step 3: Cross multiply
    1,085,790.80x = 1,629,321.24 × 454,651.76
  4. Step 4: Simplify right side
    1,085,790.80x = 740,773,769,371.38
  5. Step 5: Solve for x
    x = 740,773,769,371.38/1,085,790.80
  6. Step 6: Final answer
    x = 682,243.55

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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.