Home / 1,237,324.20-1,855,997.26-489,370.28

Finding the Fourth Proportional to 1,237,324.20, 1,855,997.26 and 489,370.28

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Solution

The fourth proportional to 1,237,324.20, 1,855,997.26 and 489,370.28 is: 734,059.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,324.20 : 1,855,997.26 = 489,370.28 : x
  2. Step 2: Convert to fraction form
    1,237,324.20/1,855,997.26 = 489,370.28/x
  3. Step 3: Cross multiply
    1,237,324.20x = 1,855,997.26 × 489,370.28
  4. Step 4: Simplify right side
    1,237,324.20x = 908,269,898,805.43
  5. Step 5: Solve for x
    x = 908,269,898,805.43/1,237,324.20
  6. Step 6: Final answer
    x = 734,059.75

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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.