Home / 1,080,108.40-1,617,052.20-660,204.40

Finding the Fourth Proportional to 1,080,108.40, 1,617,052.20 and 660,204.40

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Solution

The fourth proportional to 1,080,108.40, 1,617,052.20 and 660,204.40 is: 988,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,108.40 : 1,617,052.20 = 660,204.40 : x
  2. Step 2: Convert to fraction form
    1,080,108.40/1,617,052.20 = 660,204.40/x
  3. Step 3: Cross multiply
    1,080,108.40x = 1,617,052.20 × 660,204.40
  4. Step 4: Simplify right side
    1,080,108.40x = 1,067,584,977,469.68
  5. Step 5: Solve for x
    x = 1,067,584,977,469.68/1,080,108.40
  6. Step 6: Final answer
    x = 988,405.40

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Double scale
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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.