Home / 1,005,046.80-1,507,605.60-321,954.42

Finding the Fourth Proportional to 1,005,046.80, 1,507,605.60 and 321,954.42

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Solution

The fourth proportional to 1,005,046.80, 1,507,605.60 and 321,954.42 is: 482,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,046.80 : 1,507,605.60 = 321,954.42 : x
  2. Step 2: Convert to fraction form
    1,005,046.80/1,507,605.60 = 321,954.42/x
  3. Step 3: Cross multiply
    1,005,046.80x = 1,507,605.60 × 321,954.42
  4. Step 4: Simplify right side
    1,005,046.80x = 485,380,284,926.98
  5. Step 5: Solve for x
    x = 485,380,284,926.98/1,005,046.80
  6. Step 6: Final answer
    x = 482,942.97

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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.