Home / 1,131,102.16-1,692,960.76-831,503.44

Finding the Fourth Proportional to 1,131,102.16, 1,692,960.76 and 831,503.44

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Solution

The fourth proportional to 1,131,102.16, 1,692,960.76 and 831,503.44 is: 1,244,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,102.16 : 1,692,960.76 = 831,503.44 : x
  2. Step 2: Convert to fraction form
    1,131,102.16/1,692,960.76 = 831,503.44/x
  3. Step 3: Cross multiply
    1,131,102.16x = 1,692,960.76 × 831,503.44
  4. Step 4: Simplify right side
    1,131,102.16x = 1,407,702,695,725.01
  5. Step 5: Solve for x
    x = 1,407,702,695,725.01/1,131,102.16
  6. Step 6: Final answer
    x = 1,244,540.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.