Home / 1,092,863.30-1,509,327.60-831,956.90

Finding the Fourth Proportional to 1,092,863.30, 1,509,327.60 and 831,956.90

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Solution

The fourth proportional to 1,092,863.30, 1,509,327.60 and 831,956.90 is: 1,148,995.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,863.30 : 1,509,327.60 = 831,956.90 : x
  2. Step 2: Convert to fraction form
    1,092,863.30/1,509,327.60 = 831,956.90/x
  3. Step 3: Cross multiply
    1,092,863.30x = 1,509,327.60 × 831,956.90
  4. Step 4: Simplify right side
    1,092,863.30x = 1,255,695,511,180.44
  5. Step 5: Solve for x
    x = 1,255,695,511,180.44/1,092,863.30
  6. Step 6: Final answer
    x = 1,148,995.96

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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.