Home / 1,629,815.70-2,444,614.20-431,712.30

Finding the Fourth Proportional to 1,629,815.70, 2,444,614.20 and 431,712.30

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Solution

The fourth proportional to 1,629,815.70, 2,444,614.20 and 431,712.30 is: 647,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,815.70 : 2,444,614.20 = 431,712.30 : x
  2. Step 2: Convert to fraction form
    1,629,815.70/2,444,614.20 = 431,712.30/x
  3. Step 3: Cross multiply
    1,629,815.70x = 2,444,614.20 × 431,712.30
  4. Step 4: Simplify right side
    1,629,815.70x = 1,055,370,018,894.66
  5. Step 5: Solve for x
    x = 1,055,370,018,894.66/1,629,815.70
  6. Step 6: Final answer
    x = 647,539.48

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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.