Home / 1,235,245.60-1,852,407.60-487,136.80

Finding the Fourth Proportional to 1,235,245.60, 1,852,407.60 and 487,136.80

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Solution

The fourth proportional to 1,235,245.60, 1,852,407.60 and 487,136.80 is: 730,523.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,245.60 : 1,852,407.60 = 487,136.80 : x
  2. Step 2: Convert to fraction form
    1,235,245.60/1,852,407.60 = 487,136.80/x
  3. Step 3: Cross multiply
    1,235,245.60x = 1,852,407.60 × 487,136.80
  4. Step 4: Simplify right side
    1,235,245.60x = 902,375,910,559.68
  5. Step 5: Solve for x
    x = 902,375,910,559.68/1,235,245.60
  6. Step 6: Final answer
    x = 730,523.48

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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.