Home / 1,180,668.56-1,771,129.32-327,743.80

Finding the Fourth Proportional to 1,180,668.56, 1,771,129.32 and 327,743.80

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Solution

The fourth proportional to 1,180,668.56, 1,771,129.32 and 327,743.80 is: 491,650.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,668.56 : 1,771,129.32 = 327,743.80 : x
  2. Step 2: Convert to fraction form
    1,180,668.56/1,771,129.32 = 327,743.80/x
  3. Step 3: Cross multiply
    1,180,668.56x = 1,771,129.32 × 327,743.80
  4. Step 4: Simplify right side
    1,180,668.56x = 580,476,651,989.50
  5. Step 5: Solve for x
    x = 580,476,651,989.50/1,180,668.56
  6. Step 6: Final answer
    x = 491,650.81

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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.