Home / 860,844.20-1,291,266.30-755,781.80

Finding the Fourth Proportional to 860,844.20, 1,291,266.30 and 755,781.80

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Solution

The fourth proportional to 860,844.20, 1,291,266.30 and 755,781.80 is: 1,133,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,844.20 : 1,291,266.30 = 755,781.80 : x
  2. Step 2: Convert to fraction form
    860,844.20/1,291,266.30 = 755,781.80/x
  3. Step 3: Cross multiply
    860,844.20x = 1,291,266.30 × 755,781.80
  4. Step 4: Simplify right side
    860,844.20x = 975,915,568,493.34
  5. Step 5: Solve for x
    x = 975,915,568,493.34/860,844.20
  6. Step 6: Final answer
    x = 1,133,672.70

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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.