Home / 1,085,987.55-1,628,973.23-327,827.55

Finding the Fourth Proportional to 1,085,987.55, 1,628,973.23 and 327,827.55

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Solution

The fourth proportional to 1,085,987.55, 1,628,973.23 and 327,827.55 is: 491,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,987.55 : 1,628,973.23 = 327,827.55 : x
  2. Step 2: Convert to fraction form
    1,085,987.55/1,628,973.23 = 327,827.55/x
  3. Step 3: Cross multiply
    1,085,987.55x = 1,628,973.23 × 327,827.55
  4. Step 4: Simplify right side
    1,085,987.55x = 534,022,301,367.35
  5. Step 5: Solve for x
    x = 534,022,301,367.35/1,085,987.55
  6. Step 6: Final answer
    x = 491,738.88

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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.