Home / 1,228,230.60-1,840,272.30-807,289.80

Finding the Fourth Proportional to 1,228,230.60, 1,840,272.30 and 807,289.80

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Solution

The fourth proportional to 1,228,230.60, 1,840,272.30 and 807,289.80 is: 1,209,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,230.60 : 1,840,272.30 = 807,289.80 : x
  2. Step 2: Convert to fraction form
    1,228,230.60/1,840,272.30 = 807,289.80/x
  3. Step 3: Cross multiply
    1,228,230.60x = 1,840,272.30 × 807,289.80
  4. Step 4: Simplify right side
    1,228,230.60x = 1,485,633,057,012.54
  5. Step 5: Solve for x
    x = 1,485,633,057,012.54/1,228,230.60
  6. Step 6: Final answer
    x = 1,209,571.77

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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.