Home / 1,079,083.17-1,618,623.68-320,921.55

Finding the Fourth Proportional to 1,079,083.17, 1,618,623.68 and 320,921.55

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Solution

The fourth proportional to 1,079,083.17, 1,618,623.68 and 320,921.55 is: 481,382.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,083.17 : 1,618,623.68 = 320,921.55 : x
  2. Step 2: Convert to fraction form
    1,079,083.17/1,618,623.68 = 320,921.55/x
  3. Step 3: Cross multiply
    1,079,083.17x = 1,618,623.68 × 320,921.55
  4. Step 4: Simplify right side
    1,079,083.17x = 519,451,218,647.70
  5. Step 5: Solve for x
    x = 519,451,218,647.70/1,079,083.17
  6. Step 6: Final answer
    x = 481,382.00

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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.