Home / 1,375,969.80-2,060,844.30-816,097.80

Finding the Fourth Proportional to 1,375,969.80, 2,060,844.30 and 816,097.80

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Solution

The fourth proportional to 1,375,969.80, 2,060,844.30 and 816,097.80 is: 1,222,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,969.80 : 2,060,844.30 = 816,097.80 : x
  2. Step 2: Convert to fraction form
    1,375,969.80/2,060,844.30 = 816,097.80/x
  3. Step 3: Cross multiply
    1,375,969.80x = 2,060,844.30 × 816,097.80
  4. Step 4: Simplify right side
    1,375,969.80x = 1,681,850,499,372.54
  5. Step 5: Solve for x
    x = 1,681,850,499,372.54/1,375,969.80
  6. Step 6: Final answer
    x = 1,222,301.90

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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.