Home / 1,129,855.04-1,694,833.80-320,297.38

Finding the Fourth Proportional to 1,129,855.04, 1,694,833.80 and 320,297.38

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Solution

The fourth proportional to 1,129,855.04, 1,694,833.80 and 320,297.38 is: 480,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,855.04 : 1,694,833.80 = 320,297.38 : x
  2. Step 2: Convert to fraction form
    1,129,855.04/1,694,833.80 = 320,297.38/x
  3. Step 3: Cross multiply
    1,129,855.04x = 1,694,833.80 × 320,297.38
  4. Step 4: Simplify right side
    1,129,855.04x = 542,850,825,675.44
  5. Step 5: Solve for x
    x = 542,850,825,675.44/1,129,855.04
  6. Step 6: Final answer
    x = 480,460.60

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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.