Home / 865,115.64-1,185,188.56-832,770.72

Finding the Fourth Proportional to 865,115.64, 1,185,188.56 and 832,770.72

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Solution

The fourth proportional to 865,115.64, 1,185,188.56 and 832,770.72 is: 1,140,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,115.64 : 1,185,188.56 = 832,770.72 : x
  2. Step 2: Convert to fraction form
    865,115.64/1,185,188.56 = 832,770.72/x
  3. Step 3: Cross multiply
    865,115.64x = 1,185,188.56 × 832,770.72
  4. Step 4: Simplify right side
    865,115.64x = 986,990,328,365.04
  5. Step 5: Solve for x
    x = 986,990,328,365.04/865,115.64
  6. Step 6: Final answer
    x = 1,140,876.76

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.