Home / 1,198,021.56-1,797,027.22-311,555

Finding the Fourth Proportional to 1,198,021.56, 1,797,027.22 and 311,555

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Solution

The fourth proportional to 1,198,021.56, 1,797,027.22 and 311,555 is: 467,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,021.56 : 1,797,027.22 = 311,555 : x
  2. Step 2: Convert to fraction form
    1,198,021.56/1,797,027.22 = 311,555/x
  3. Step 3: Cross multiply
    1,198,021.56x = 1,797,027.22 × 311,555
  4. Step 4: Simplify right side
    1,198,021.56x = 559,872,815,527.10
  5. Step 5: Solve for x
    x = 559,872,815,527.10/1,198,021.56
  6. Step 6: Final answer
    x = 467,331.17

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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.