Home / 1,040,079.20-1,560,003.60-292,200.80

Finding the Fourth Proportional to 1,040,079.20, 1,560,003.60 and 292,200.80

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Solution

The fourth proportional to 1,040,079.20, 1,560,003.60 and 292,200.80 is: 438,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,079.20 : 1,560,003.60 = 292,200.80 : x
  2. Step 2: Convert to fraction form
    1,040,079.20/1,560,003.60 = 292,200.80/x
  3. Step 3: Cross multiply
    1,040,079.20x = 1,560,003.60 × 292,200.80
  4. Step 4: Simplify right side
    1,040,079.20x = 455,834,299,922.88
  5. Step 5: Solve for x
    x = 455,834,299,922.88/1,040,079.20
  6. Step 6: Final answer
    x = 438,268.84

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1.5x scale

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.