Home / 1,261,954.96-1,741,474.20-718,078.48

Finding the Fourth Proportional to 1,261,954.96, 1,741,474.20 and 718,078.48

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Solution

The fourth proportional to 1,261,954.96, 1,741,474.20 and 718,078.48 is: 990,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,954.96 : 1,741,474.20 = 718,078.48 : x
  2. Step 2: Convert to fraction form
    1,261,954.96/1,741,474.20 = 718,078.48/x
  3. Step 3: Cross multiply
    1,261,954.96x = 1,741,474.20 × 718,078.48
  4. Step 4: Simplify right side
    1,261,954.96x = 1,250,515,146,495.22
  5. Step 5: Solve for x
    x = 1,250,515,146,495.22/1,261,954.96
  6. Step 6: Final answer
    x = 990,934.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.