Home / 1,108,168.60-1,662,253.36-266,720.35

Finding the Fourth Proportional to 1,108,168.60, 1,662,253.36 and 266,720.35

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Solution

The fourth proportional to 1,108,168.60, 1,662,253.36 and 266,720.35 is: 400,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,168.60 : 1,662,253.36 = 266,720.35 : x
  2. Step 2: Convert to fraction form
    1,108,168.60/1,662,253.36 = 266,720.35/x
  3. Step 3: Cross multiply
    1,108,168.60x = 1,662,253.36 × 266,720.35
  4. Step 4: Simplify right side
    1,108,168.60x = 443,356,797,967.88
  5. Step 5: Solve for x
    x = 443,356,797,967.88/1,108,168.60
  6. Step 6: Final answer
    x = 400,080.64

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Double scale
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Similar ratio
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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.