Home / 1,005,046.55-1,507,605.22-321,954.17

Finding the Fourth Proportional to 1,005,046.55, 1,507,605.22 and 321,954.17

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Solution

The fourth proportional to 1,005,046.55, 1,507,605.22 and 321,954.17 is: 482,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,046.55 : 1,507,605.22 = 321,954.17 : x
  2. Step 2: Convert to fraction form
    1,005,046.55/1,507,605.22 = 321,954.17/x
  3. Step 3: Cross multiply
    1,005,046.55x = 1,507,605.22 × 321,954.17
  4. Step 4: Simplify right side
    1,005,046.55x = 485,379,787,292.77
  5. Step 5: Solve for x
    x = 485,379,787,292.77/1,005,046.55
  6. Step 6: Final answer
    x = 482,942.60

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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.