Home / 1,167,129.20-1,750,693.80-325,679.60

Finding the Fourth Proportional to 1,167,129.20, 1,750,693.80 and 325,679.60

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Solution

The fourth proportional to 1,167,129.20, 1,750,693.80 and 325,679.60 is: 488,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,129.20 : 1,750,693.80 = 325,679.60 : x
  2. Step 2: Convert to fraction form
    1,167,129.20/1,750,693.80 = 325,679.60/x
  3. Step 3: Cross multiply
    1,167,129.20x = 1,750,693.80 × 325,679.60
  4. Step 4: Simplify right side
    1,167,129.20x = 570,165,256,506.48
  5. Step 5: Solve for x
    x = 570,165,256,506.48/1,167,129.20
  6. Step 6: Final answer
    x = 488,519.40

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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.