Home / 1,079,003.16-1,618,504.20-320,841.36

Finding the Fourth Proportional to 1,079,003.16, 1,618,504.20 and 320,841.36

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Solution

The fourth proportional to 1,079,003.16, 1,618,504.20 and 320,841.36 is: 481,261.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,003.16 : 1,618,504.20 = 320,841.36 : x
  2. Step 2: Convert to fraction form
    1,079,003.16/1,618,504.20 = 320,841.36/x
  3. Step 3: Cross multiply
    1,079,003.16x = 1,618,504.20 × 320,841.36
  4. Step 4: Simplify right side
    1,079,003.16x = 519,283,088,693.71
  5. Step 5: Solve for x
    x = 519,283,088,693.71/1,079,003.16
  6. Step 6: Final answer
    x = 481,261.88

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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.