Home / 1,487,633.24-2,231,371.95-408,066.72

Finding the Fourth Proportional to 1,487,633.24, 2,231,371.95 and 408,066.72

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Solution

The fourth proportional to 1,487,633.24, 2,231,371.95 and 408,066.72 is: 612,078.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,633.24 : 2,231,371.95 = 408,066.72 : x
  2. Step 2: Convert to fraction form
    1,487,633.24/2,231,371.95 = 408,066.72/x
  3. Step 3: Cross multiply
    1,487,633.24x = 2,231,371.95 × 408,066.72
  4. Step 4: Simplify right side
    1,487,633.24x = 910,548,632,736.50
  5. Step 5: Solve for x
    x = 910,548,632,736.50/1,487,633.24
  6. Step 6: Final answer
    x = 612,078.71

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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.