Home / 1,040,092.60-1,560,138.90-851,135.80

Finding the Fourth Proportional to 1,040,092.60, 1,560,138.90 and 851,135.80

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Solution

The fourth proportional to 1,040,092.60, 1,560,138.90 and 851,135.80 is: 1,276,703.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,092.60 : 1,560,138.90 = 851,135.80 : x
  2. Step 2: Convert to fraction form
    1,040,092.60/1,560,138.90 = 851,135.80/x
  3. Step 3: Cross multiply
    1,040,092.60x = 1,560,138.90 × 851,135.80
  4. Step 4: Simplify right side
    1,040,092.60x = 1,327,890,070,762.62
  5. Step 5: Solve for x
    x = 1,327,890,070,762.62/1,040,092.60
  6. Step 6: Final answer
    x = 1,276,703.70

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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.