Home / 1,094,540.80-1,641,811.20-1,019,891.20

Finding the Fourth Proportional to 1,094,540.80, 1,641,811.20 and 1,019,891.20

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Solution

The fourth proportional to 1,094,540.80, 1,641,811.20 and 1,019,891.20 is: 1,529,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,540.80 : 1,641,811.20 = 1,019,891.20 : x
  2. Step 2: Convert to fraction form
    1,094,540.80/1,641,811.20 = 1,019,891.20/x
  3. Step 3: Cross multiply
    1,094,540.80x = 1,641,811.20 × 1,019,891.20
  4. Step 4: Simplify right side
    1,094,540.80x = 1,674,468,794,941.44
  5. Step 5: Solve for x
    x = 1,674,468,794,941.44/1,094,540.80
  6. Step 6: Final answer
    x = 1,529,836.80

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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.