Home / 1,079,289.75-1,618,652.43-320,926.98

Finding the Fourth Proportional to 1,079,289.75, 1,618,652.43 and 320,926.98

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Solution

The fourth proportional to 1,079,289.75, 1,618,652.43 and 320,926.98 is: 481,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,289.75 : 1,618,652.43 = 320,926.98 : x
  2. Step 2: Convert to fraction form
    1,079,289.75/1,618,652.43 = 320,926.98/x
  3. Step 3: Cross multiply
    1,079,289.75x = 1,618,652.43 × 320,926.98
  4. Step 4: Simplify right side
    1,079,289.75x = 519,469,236,029.56
  5. Step 5: Solve for x
    x = 519,469,236,029.56/1,079,289.75
  6. Step 6: Final answer
    x = 481,306.56

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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.