Home / 828,002.70-1,242,004.05-696,126.60

Finding the Fourth Proportional to 828,002.70, 1,242,004.05 and 696,126.60

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Solution

The fourth proportional to 828,002.70, 1,242,004.05 and 696,126.60 is: 1,044,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,002.70 : 1,242,004.05 = 696,126.60 : x
  2. Step 2: Convert to fraction form
    828,002.70/1,242,004.05 = 696,126.60/x
  3. Step 3: Cross multiply
    828,002.70x = 1,242,004.05 × 696,126.60
  4. Step 4: Simplify right side
    828,002.70x = 864,592,056,512.73
  5. Step 5: Solve for x
    x = 864,592,056,512.73/828,002.70
  6. Step 6: Final answer
    x = 1,044,189.90

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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.