Home / 1,218,023.69-1,826,991.79-319,458.29

Finding the Fourth Proportional to 1,218,023.69, 1,826,991.79 and 319,458.29

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Solution

The fourth proportional to 1,218,023.69, 1,826,991.79 and 319,458.29 is: 479,175.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,023.69 : 1,826,991.79 = 319,458.29 : x
  2. Step 2: Convert to fraction form
    1,218,023.69/1,826,991.79 = 319,458.29/x
  3. Step 3: Cross multiply
    1,218,023.69x = 1,826,991.79 × 319,458.29
  4. Step 4: Simplify right side
    1,218,023.69x = 583,647,663,143.84
  5. Step 5: Solve for x
    x = 583,647,663,143.84/1,218,023.69
  6. Step 6: Final answer
    x = 479,175.96

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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.