Home / 1,268,629.66-1,902,950.88-322,000.69

Finding the Fourth Proportional to 1,268,629.66, 1,902,950.88 and 322,000.69

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Solution

The fourth proportional to 1,268,629.66, 1,902,950.88 and 322,000.69 is: 483,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,629.66 : 1,902,950.88 = 322,000.69 : x
  2. Step 2: Convert to fraction form
    1,268,629.66/1,902,950.88 = 322,000.69/x
  3. Step 3: Cross multiply
    1,268,629.66x = 1,902,950.88 × 322,000.69
  4. Step 4: Simplify right side
    1,268,629.66x = 612,751,496,396.11
  5. Step 5: Solve for x
    x = 612,751,496,396.11/1,268,629.66
  6. Step 6: Final answer
    x = 483,002.66

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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.