Home / 1,198,847.31-1,798,229.50-300,296.79

Finding the Fourth Proportional to 1,198,847.31, 1,798,229.50 and 300,296.79

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Solution

The fourth proportional to 1,198,847.31, 1,798,229.50 and 300,296.79 is: 450,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,847.31 : 1,798,229.50 = 300,296.79 : x
  2. Step 2: Convert to fraction form
    1,198,847.31/1,798,229.50 = 300,296.79/x
  3. Step 3: Cross multiply
    1,198,847.31x = 1,798,229.50 × 300,296.79
  4. Step 4: Simplify right side
    1,198,847.31x = 540,002,545,782.56
  5. Step 5: Solve for x
    x = 540,002,545,782.56/1,198,847.31
  6. Step 6: Final answer
    x = 450,434.80

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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.