Home / 1,079,272.83-1,618,627.13-320,910.06

Finding the Fourth Proportional to 1,079,272.83, 1,618,627.13 and 320,910.06

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Solution

The fourth proportional to 1,079,272.83, 1,618,627.13 and 320,910.06 is: 481,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,272.83 : 1,618,627.13 = 320,910.06 : x
  2. Step 2: Convert to fraction form
    1,079,272.83/1,618,627.13 = 320,910.06/x
  3. Step 3: Cross multiply
    1,079,272.83x = 1,618,627.13 × 320,910.06
  4. Step 4: Simplify right side
    1,079,272.83x = 519,433,727,801.38
  5. Step 5: Solve for x
    x = 519,433,727,801.38/1,079,272.83
  6. Step 6: Final answer
    x = 481,281.20

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1.5x scale

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.