Home / 1,449,406.62-2,173,216.95-489,771.54

Finding the Fourth Proportional to 1,449,406.62, 2,173,216.95 and 489,771.54

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Solution

The fourth proportional to 1,449,406.62, 2,173,216.95 and 489,771.54 is: 734,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,406.62 : 2,173,216.95 = 489,771.54 : x
  2. Step 2: Convert to fraction form
    1,449,406.62/2,173,216.95 = 489,771.54/x
  3. Step 3: Cross multiply
    1,449,406.62x = 2,173,216.95 × 489,771.54
  4. Step 4: Simplify right side
    1,449,406.62x = 1,064,379,812,355.60
  5. Step 5: Solve for x
    x = 1,064,379,812,355.60/1,449,406.62
  6. Step 6: Final answer
    x = 734,355.56

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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.