Home / 1,132,766.55-1,562,863.77-642,654.36

Finding the Fourth Proportional to 1,132,766.55, 1,562,863.77 and 642,654.36

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Solution

The fourth proportional to 1,132,766.55, 1,562,863.77 and 642,654.36 is: 886,662.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,766.55 : 1,562,863.77 = 642,654.36 : x
  2. Step 2: Convert to fraction form
    1,132,766.55/1,562,863.77 = 642,654.36/x
  3. Step 3: Cross multiply
    1,132,766.55x = 1,562,863.77 × 642,654.36
  4. Step 4: Simplify right side
    1,132,766.55x = 1,004,381,215,876.54
  5. Step 5: Solve for x
    x = 1,004,381,215,876.54/1,132,766.55
  6. Step 6: Final answer
    x = 886,662.14

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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.