Home / 1,107,817.40-1,662,382.20-807,542.30

Finding the Fourth Proportional to 1,107,817.40, 1,662,382.20 and 807,542.30

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Solution

The fourth proportional to 1,107,817.40, 1,662,382.20 and 807,542.30 is: 1,211,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,817.40 : 1,662,382.20 = 807,542.30 : x
  2. Step 2: Convert to fraction form
    1,107,817.40/1,662,382.20 = 807,542.30/x
  3. Step 3: Cross multiply
    1,107,817.40x = 1,662,382.20 × 807,542.30
  4. Step 4: Simplify right side
    1,107,817.40x = 1,342,443,945,267.06
  5. Step 5: Solve for x
    x = 1,342,443,945,267.06/1,107,817.40
  6. Step 6: Final answer
    x = 1,211,791.71

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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.