Home / 1,261,953.96-1,741,472.82-718,077.48

Finding the Fourth Proportional to 1,261,953.96, 1,741,472.82 and 718,077.48

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Solution

The fourth proportional to 1,261,953.96, 1,741,472.82 and 718,077.48 is: 990,933.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,953.96 : 1,741,472.82 = 718,077.48 : x
  2. Step 2: Convert to fraction form
    1,261,953.96/1,741,472.82 = 718,077.48/x
  3. Step 3: Cross multiply
    1,261,953.96x = 1,741,472.82 × 718,077.48
  4. Step 4: Simplify right side
    1,261,953.96x = 1,250,512,414,074.09
  5. Step 5: Solve for x
    x = 1,250,512,414,074.09/1,261,953.96
  6. Step 6: Final answer
    x = 990,933.47

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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.