Home / 1,001,339.46-1,381,385.25-886,734.90

Finding the Fourth Proportional to 1,001,339.46, 1,381,385.25 and 886,734.90

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Solution

The fourth proportional to 1,001,339.46, 1,381,385.25 and 886,734.90 is: 1,223,283.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,339.46 : 1,381,385.25 = 886,734.90 : x
  2. Step 2: Convert to fraction form
    1,001,339.46/1,381,385.25 = 886,734.90/x
  3. Step 3: Cross multiply
    1,001,339.46x = 1,381,385.25 × 886,734.90
  4. Step 4: Simplify right side
    1,001,339.46x = 1,224,922,511,520.23
  5. Step 5: Solve for x
    x = 1,224,922,511,520.23/1,001,339.46
  6. Step 6: Final answer
    x = 1,223,283.97

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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.