Home / 1,079,295.78-1,618,661.40-320,932.98

Finding the Fourth Proportional to 1,079,295.78, 1,618,661.40 and 320,932.98

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Solution

The fourth proportional to 1,079,295.78, 1,618,661.40 and 320,932.98 is: 481,315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,295.78 : 1,618,661.40 = 320,932.98 : x
  2. Step 2: Convert to fraction form
    1,079,295.78/1,618,661.40 = 320,932.98/x
  3. Step 3: Cross multiply
    1,079,295.78x = 1,618,661.40 × 320,932.98
  4. Step 4: Simplify right side
    1,079,295.78x = 519,481,826,712.97
  5. Step 5: Solve for x
    x = 519,481,826,712.97/1,079,295.78
  6. Step 6: Final answer
    x = 481,315.54

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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.