Home / 1,290,910.24-1,936,627.79-449,527.60

Finding the Fourth Proportional to 1,290,910.24, 1,936,627.79 and 449,527.60

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Solution

The fourth proportional to 1,290,910.24, 1,936,627.79 and 449,527.60 is: 674,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,910.24 : 1,936,627.79 = 449,527.60 : x
  2. Step 2: Convert to fraction form
    1,290,910.24/1,936,627.79 = 449,527.60/x
  3. Step 3: Cross multiply
    1,290,910.24x = 1,936,627.79 × 449,527.60
  4. Step 4: Simplify right side
    1,290,910.24x = 870,567,642,532.00
  5. Step 5: Solve for x
    x = 870,567,642,532.00/1,290,910.24
  6. Step 6: Final answer
    x = 674,382.78

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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.