Home / 1,412,179.22-2,117,078.34-612,858.68

Finding the Fourth Proportional to 1,412,179.22, 2,117,078.34 and 612,858.68

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Solution

The fourth proportional to 1,412,179.22, 2,117,078.34 and 612,858.68 is: 918,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,179.22 : 2,117,078.34 = 612,858.68 : x
  2. Step 2: Convert to fraction form
    1,412,179.22/2,117,078.34 = 612,858.68/x
  3. Step 3: Cross multiply
    1,412,179.22x = 2,117,078.34 × 612,858.68
  4. Step 4: Simplify right side
    1,412,179.22x = 1,297,469,836,908.99
  5. Step 5: Solve for x
    x = 1,297,469,836,908.99/1,412,179.22
  6. Step 6: Final answer
    x = 918,771.37

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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.