Home / 1,240,906.80-1,862,742.60-681,034.80

Finding the Fourth Proportional to 1,240,906.80, 1,862,742.60 and 681,034.80

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Solution

The fourth proportional to 1,240,906.80, 1,862,742.60 and 681,034.80 is: 1,022,310.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,906.80 : 1,862,742.60 = 681,034.80 : x
  2. Step 2: Convert to fraction form
    1,240,906.80/1,862,742.60 = 681,034.80/x
  3. Step 3: Cross multiply
    1,240,906.80x = 1,862,742.60 × 681,034.80
  4. Step 4: Simplify right side
    1,240,906.80x = 1,268,592,534,042.48
  5. Step 5: Solve for x
    x = 1,268,592,534,042.48/1,240,906.80
  6. Step 6: Final answer
    x = 1,022,310.89

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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.