Home / 1,017,851.92-1,527,302.78-419,255.44

Finding the Fourth Proportional to 1,017,851.92, 1,527,302.78 and 419,255.44

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Solution

The fourth proportional to 1,017,851.92, 1,527,302.78 and 419,255.44 is: 629,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,851.92 : 1,527,302.78 = 419,255.44 : x
  2. Step 2: Convert to fraction form
    1,017,851.92/1,527,302.78 = 419,255.44/x
  3. Step 3: Cross multiply
    1,017,851.92x = 1,527,302.78 × 419,255.44
  4. Step 4: Simplify right side
    1,017,851.92x = 640,329,999,042.12
  5. Step 5: Solve for x
    x = 640,329,999,042.12/1,017,851.92
  6. Step 6: Final answer
    x = 629,099.37

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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.