Home / 1,079,273.40-1,618,627.98-320,910.63

Finding the Fourth Proportional to 1,079,273.40, 1,618,627.98 and 320,910.63

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Solution

The fourth proportional to 1,079,273.40, 1,618,627.98 and 320,910.63 is: 481,282.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,273.40 : 1,618,627.98 = 320,910.63 : x
  2. Step 2: Convert to fraction form
    1,079,273.40/1,618,627.98 = 320,910.63/x
  3. Step 3: Cross multiply
    1,079,273.40x = 1,618,627.98 × 320,910.63
  4. Step 4: Simplify right side
    1,079,273.40x = 519,434,924,797.43
  5. Step 5: Solve for x
    x = 519,434,924,797.43/1,079,273.40
  6. Step 6: Final answer
    x = 481,282.06

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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.