Home / 1,005,519.12-1,387,915.52-576,085.20

Finding the Fourth Proportional to 1,005,519.12, 1,387,915.52 and 576,085.20

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Solution

The fourth proportional to 1,005,519.12, 1,387,915.52 and 576,085.20 is: 795,168.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,519.12 : 1,387,915.52 = 576,085.20 : x
  2. Step 2: Convert to fraction form
    1,005,519.12/1,387,915.52 = 576,085.20/x
  3. Step 3: Cross multiply
    1,005,519.12x = 1,387,915.52 × 576,085.20
  4. Step 4: Simplify right side
    1,005,519.12x = 799,557,589,922.30
  5. Step 5: Solve for x
    x = 799,557,589,922.30/1,005,519.12
  6. Step 6: Final answer
    x = 795,168.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.