Home / 1,014,683.88-1,397,073.78-861,418.92

Finding the Fourth Proportional to 1,014,683.88, 1,397,073.78 and 861,418.92

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Solution

The fourth proportional to 1,014,683.88, 1,397,073.78 and 861,418.92 is: 1,186,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,683.88 : 1,397,073.78 = 861,418.92 : x
  2. Step 2: Convert to fraction form
    1,014,683.88/1,397,073.78 = 861,418.92/x
  3. Step 3: Cross multiply
    1,014,683.88x = 1,397,073.78 × 861,418.92
  4. Step 4: Simplify right side
    1,014,683.88x = 1,203,465,786,727.92
  5. Step 5: Solve for x
    x = 1,203,465,786,727.92/1,014,683.88
  6. Step 6: Final answer
    x = 1,186,049.97

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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.