Home / 1,629,897.12-2,443,849.21-777,229.56

Finding the Fourth Proportional to 1,629,897.12, 2,443,849.21 and 777,229.56

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Solution

The fourth proportional to 1,629,897.12, 2,443,849.21 and 777,229.56 is: 1,165,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,897.12 : 2,443,849.21 = 777,229.56 : x
  2. Step 2: Convert to fraction form
    1,629,897.12/2,443,849.21 = 777,229.56/x
  3. Step 3: Cross multiply
    1,629,897.12x = 2,443,849.21 × 777,229.56
  4. Step 4: Simplify right side
    1,629,897.12x = 1,899,431,846,194.65
  5. Step 5: Solve for x
    x = 1,899,431,846,194.65/1,629,897.12
  6. Step 6: Final answer
    x = 1,165,369.17

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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.