Home / 1,261,941.96-1,741,456.26-718,065.48

Finding the Fourth Proportional to 1,261,941.96, 1,741,456.26 and 718,065.48

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Solution

The fourth proportional to 1,261,941.96, 1,741,456.26 and 718,065.48 is: 990,916.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,941.96 : 1,741,456.26 = 718,065.48 : x
  2. Step 2: Convert to fraction form
    1,261,941.96/1,741,456.26 = 718,065.48/x
  3. Step 3: Cross multiply
    1,261,941.96x = 1,741,456.26 × 718,065.48
  4. Step 4: Simplify right side
    1,261,941.96x = 1,250,479,625,235.90
  5. Step 5: Solve for x
    x = 1,250,479,625,235.90/1,261,941.96
  6. Step 6: Final answer
    x = 990,916.91

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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.