Home / 1,079,483.70-1,618,942.94-321,120.98

Finding the Fourth Proportional to 1,079,483.70, 1,618,942.94 and 321,120.98

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Solution

The fourth proportional to 1,079,483.70, 1,618,942.94 and 321,120.98 is: 481,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,483.70 : 1,618,942.94 = 321,120.98 : x
  2. Step 2: Convert to fraction form
    1,079,483.70/1,618,942.94 = 321,120.98/x
  3. Step 3: Cross multiply
    1,079,483.70x = 1,618,942.94 × 321,120.98
  4. Step 4: Simplify right side
    1,079,483.70x = 519,876,543,456.88
  5. Step 5: Solve for x
    x = 519,876,543,456.88/1,079,483.70
  6. Step 6: Final answer
    x = 481,597.40

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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.