Home / 1,107,422.80-1,661,134.20-1,100,424.40

Finding the Fourth Proportional to 1,107,422.80, 1,661,134.20 and 1,100,424.40

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Solution

The fourth proportional to 1,107,422.80, 1,661,134.20 and 1,100,424.40 is: 1,650,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,422.80 : 1,661,134.20 = 1,100,424.40 : x
  2. Step 2: Convert to fraction form
    1,107,422.80/1,661,134.20 = 1,100,424.40/x
  3. Step 3: Cross multiply
    1,107,422.80x = 1,661,134.20 × 1,100,424.40
  4. Step 4: Simplify right side
    1,107,422.80x = 1,827,952,605,354.48
  5. Step 5: Solve for x
    x = 1,827,952,605,354.48/1,107,422.80
  6. Step 6: Final answer
    x = 1,650,636.60

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Similar ratio
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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.