Home / 1,329,250.80-1,993,876.20-442,786.80

Finding the Fourth Proportional to 1,329,250.80, 1,993,876.20 and 442,786.80

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Solution

The fourth proportional to 1,329,250.80, 1,993,876.20 and 442,786.80 is: 664,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,250.80 : 1,993,876.20 = 442,786.80 : x
  2. Step 2: Convert to fraction form
    1,329,250.80/1,993,876.20 = 442,786.80/x
  3. Step 3: Cross multiply
    1,329,250.80x = 1,993,876.20 × 442,786.80
  4. Step 4: Simplify right side
    1,329,250.80x = 882,862,062,194.16
  5. Step 5: Solve for x
    x = 882,862,062,194.16/1,329,250.80
  6. Step 6: Final answer
    x = 664,180.20

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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.