Home / 1,396,405.20-2,094,413.40-449,871.60

Finding the Fourth Proportional to 1,396,405.20, 2,094,413.40 and 449,871.60

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Solution

The fourth proportional to 1,396,405.20, 2,094,413.40 and 449,871.60 is: 674,744.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,405.20 : 2,094,413.40 = 449,871.60 : x
  2. Step 2: Convert to fraction form
    1,396,405.20/2,094,413.40 = 449,871.60/x
  3. Step 3: Cross multiply
    1,396,405.20x = 2,094,413.40 × 449,871.60
  4. Step 4: Simplify right side
    1,396,405.20x = 942,217,107,319.44
  5. Step 5: Solve for x
    x = 942,217,107,319.44/1,396,405.20
  6. Step 6: Final answer
    x = 674,744.77

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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.