Home / 1,230,163.20-1,845,244.80-699,321.60

Finding the Fourth Proportional to 1,230,163.20, 1,845,244.80 and 699,321.60

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Solution

The fourth proportional to 1,230,163.20, 1,845,244.80 and 699,321.60 is: 1,048,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,163.20 : 1,845,244.80 = 699,321.60 : x
  2. Step 2: Convert to fraction form
    1,230,163.20/1,845,244.80 = 699,321.60/x
  3. Step 3: Cross multiply
    1,230,163.20x = 1,845,244.80 × 699,321.60
  4. Step 4: Simplify right side
    1,230,163.20x = 1,290,419,545,927.68
  5. Step 5: Solve for x
    x = 1,290,419,545,927.68/1,230,163.20
  6. Step 6: Final answer
    x = 1,048,982.40

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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.