Home / 851,738.80-1,277,608.20-810,266.80

Finding the Fourth Proportional to 851,738.80, 1,277,608.20 and 810,266.80

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Solution

The fourth proportional to 851,738.80, 1,277,608.20 and 810,266.80 is: 1,215,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,738.80 : 1,277,608.20 = 810,266.80 : x
  2. Step 2: Convert to fraction form
    851,738.80/1,277,608.20 = 810,266.80/x
  3. Step 3: Cross multiply
    851,738.80x = 1,277,608.20 × 810,266.80
  4. Step 4: Simplify right side
    851,738.80x = 1,035,203,507,867.76
  5. Step 5: Solve for x
    x = 1,035,203,507,867.76/851,738.80
  6. Step 6: Final answer
    x = 1,215,400.20

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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.