Home / 1,269,205.20-1,903,894.20-404,571.60

Finding the Fourth Proportional to 1,269,205.20, 1,903,894.20 and 404,571.60

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Solution

The fourth proportional to 1,269,205.20, 1,903,894.20 and 404,571.60 is: 606,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,205.20 : 1,903,894.20 = 404,571.60 : x
  2. Step 2: Convert to fraction form
    1,269,205.20/1,903,894.20 = 404,571.60/x
  3. Step 3: Cross multiply
    1,269,205.20x = 1,903,894.20 × 404,571.60
  4. Step 4: Simplify right side
    1,269,205.20x = 770,261,522,724.72
  5. Step 5: Solve for x
    x = 770,261,522,724.72/1,269,205.20
  6. Step 6: Final answer
    x = 606,884.94

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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.