Home / 1,079,008.20-1,618,728.30-320,848.20

Finding the Fourth Proportional to 1,079,008.20, 1,618,728.30 and 320,848.20

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Solution

The fourth proportional to 1,079,008.20, 1,618,728.30 and 320,848.20 is: 481,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,008.20 : 1,618,728.30 = 320,848.20 : x
  2. Step 2: Convert to fraction form
    1,079,008.20/1,618,728.30 = 320,848.20/x
  3. Step 3: Cross multiply
    1,079,008.20x = 1,618,728.30 × 320,848.20
  4. Step 4: Simplify right side
    1,079,008.20x = 519,366,061,344.06
  5. Step 5: Solve for x
    x = 519,366,061,344.06/1,079,008.20
  6. Step 6: Final answer
    x = 481,336.53

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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.