Home / 1,079,273.83-1,618,628.62-320,911.06

Finding the Fourth Proportional to 1,079,273.83, 1,618,628.62 and 320,911.06

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Solution

The fourth proportional to 1,079,273.83, 1,618,628.62 and 320,911.06 is: 481,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,273.83 : 1,618,628.62 = 320,911.06 : x
  2. Step 2: Convert to fraction form
    1,079,273.83/1,618,628.62 = 320,911.06/x
  3. Step 3: Cross multiply
    1,079,273.83x = 1,618,628.62 × 320,911.06
  4. Step 4: Simplify right side
    1,079,273.83x = 519,435,826,190.54
  5. Step 5: Solve for x
    x = 519,435,826,190.54/1,079,273.83
  6. Step 6: Final answer
    x = 481,282.70

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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.