Home / 1,083,278.22-1,496,481.12-865,200.57

Finding the Fourth Proportional to 1,083,278.22, 1,496,481.12 and 865,200.57

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Solution

The fourth proportional to 1,083,278.22, 1,496,481.12 and 865,200.57 is: 1,195,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,278.22 : 1,496,481.12 = 865,200.57 : x
  2. Step 2: Convert to fraction form
    1,083,278.22/1,496,481.12 = 865,200.57/x
  3. Step 3: Cross multiply
    1,083,278.22x = 1,496,481.12 × 865,200.57
  4. Step 4: Simplify right side
    1,083,278.22x = 1,294,756,318,018.24
  5. Step 5: Solve for x
    x = 1,294,756,318,018.24/1,083,278.22
  6. Step 6: Final answer
    x = 1,195,220.48

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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.