Home / 1,274,858.20-1,912,287.30-1,200,062.80

Finding the Fourth Proportional to 1,274,858.20, 1,912,287.30 and 1,200,062.80

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Solution

The fourth proportional to 1,274,858.20, 1,912,287.30 and 1,200,062.80 is: 1,800,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,858.20 : 1,912,287.30 = 1,200,062.80 : x
  2. Step 2: Convert to fraction form
    1,274,858.20/1,912,287.30 = 1,200,062.80/x
  3. Step 3: Cross multiply
    1,274,858.20x = 1,912,287.30 × 1,200,062.80
  4. Step 4: Simplify right side
    1,274,858.20x = 2,294,864,851,642.44
  5. Step 5: Solve for x
    x = 2,294,864,851,642.44/1,274,858.20
  6. Step 6: Final answer
    x = 1,800,094.20

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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.