Home / 1,284,163.60-1,925,791.80-442,519.60

Finding the Fourth Proportional to 1,284,163.60, 1,925,791.80 and 442,519.60

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Solution

The fourth proportional to 1,284,163.60, 1,925,791.80 and 442,519.60 is: 663,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,163.60 : 1,925,791.80 = 442,519.60 : x
  2. Step 2: Convert to fraction form
    1,284,163.60/1,925,791.80 = 442,519.60/x
  3. Step 3: Cross multiply
    1,284,163.60x = 1,925,791.80 × 442,519.60
  4. Step 4: Simplify right side
    1,284,163.60x = 852,200,617,019.28
  5. Step 5: Solve for x
    x = 852,200,617,019.28/1,284,163.60
  6. Step 6: Final answer
    x = 663,623.09

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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.