Home / 836,203.20-1,254,304.80-831,537.60

Finding the Fourth Proportional to 836,203.20, 1,254,304.80 and 831,537.60

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Solution

The fourth proportional to 836,203.20, 1,254,304.80 and 831,537.60 is: 1,247,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,203.20 : 1,254,304.80 = 831,537.60 : x
  2. Step 2: Convert to fraction form
    836,203.20/1,254,304.80 = 831,537.60/x
  3. Step 3: Cross multiply
    836,203.20x = 1,254,304.80 × 831,537.60
  4. Step 4: Simplify right side
    836,203.20x = 1,043,001,603,060.48
  5. Step 5: Solve for x
    x = 1,043,001,603,060.48/836,203.20
  6. Step 6: Final answer
    x = 1,247,306.40

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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.