Home / 871,396.20-1,310,010.30-755,922.60

Finding the Fourth Proportional to 871,396.20, 1,310,010.30 and 755,922.60

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Solution

The fourth proportional to 871,396.20, 1,310,010.30 and 755,922.60 is: 1,136,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,396.20 : 1,310,010.30 = 755,922.60 : x
  2. Step 2: Convert to fraction form
    871,396.20/1,310,010.30 = 755,922.60/x
  3. Step 3: Cross multiply
    871,396.20x = 1,310,010.30 × 755,922.60
  4. Step 4: Simplify right side
    871,396.20x = 990,266,392,002.78
  5. Step 5: Solve for x
    x = 990,266,392,002.78/871,396.20
  6. Step 6: Final answer
    x = 1,136,413.48

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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.