Home / 1,374,374.40-2,061,993.60-664,425.60

Finding the Fourth Proportional to 1,374,374.40, 2,061,993.60 and 664,425.60

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Solution

The fourth proportional to 1,374,374.40, 2,061,993.60 and 664,425.60 is: 996,847.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,374.40 : 2,061,993.60 = 664,425.60 : x
  2. Step 2: Convert to fraction form
    1,374,374.40/2,061,993.60 = 664,425.60/x
  3. Step 3: Cross multiply
    1,374,374.40x = 2,061,993.60 × 664,425.60
  4. Step 4: Simplify right side
    1,374,374.40x = 1,370,041,334,876.16
  5. Step 5: Solve for x
    x = 1,370,041,334,876.16/1,374,374.40
  6. Step 6: Final answer
    x = 996,847.25

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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.