Home / 1,079,481.69-1,618,939.94-321,118.98

Finding the Fourth Proportional to 1,079,481.69, 1,618,939.94 and 321,118.98

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Solution

The fourth proportional to 1,079,481.69, 1,618,939.94 and 321,118.98 is: 481,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,481.69 : 1,618,939.94 = 321,118.98 : x
  2. Step 2: Convert to fraction form
    1,079,481.69/1,618,939.94 = 321,118.98/x
  3. Step 3: Cross multiply
    1,079,481.69x = 1,618,939.94 × 321,118.98
  4. Step 4: Simplify right side
    1,079,481.69x = 519,872,340,608.47
  5. Step 5: Solve for x
    x = 519,872,340,608.47/1,079,481.69
  6. Step 6: Final answer
    x = 481,594.40

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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.