Home / 1,201,855.26-1,800,191.14-1,131,193.28

Finding the Fourth Proportional to 1,201,855.26, 1,800,191.14 and 1,131,193.28

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Solution

The fourth proportional to 1,201,855.26, 1,800,191.14 and 1,131,193.28 is: 1,694,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,855.26 : 1,800,191.14 = 1,131,193.28 : x
  2. Step 2: Convert to fraction form
    1,201,855.26/1,800,191.14 = 1,131,193.28/x
  3. Step 3: Cross multiply
    1,201,855.26x = 1,800,191.14 × 1,131,193.28
  4. Step 4: Simplify right side
    1,201,855.26x = 2,036,364,120,283.54
  5. Step 5: Solve for x
    x = 2,036,364,120,283.54/1,201,855.26
  6. Step 6: Final answer
    x = 1,694,350.55

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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.