Home / 945,958.60-1,419,629.10-666,022.60

Finding the Fourth Proportional to 945,958.60, 1,419,629.10 and 666,022.60

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Solution

The fourth proportional to 945,958.60, 1,419,629.10 and 666,022.60 is: 999,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,958.60 : 1,419,629.10 = 666,022.60 : x
  2. Step 2: Convert to fraction form
    945,958.60/1,419,629.10 = 666,022.60/x
  3. Step 3: Cross multiply
    945,958.60x = 1,419,629.10 × 666,022.60
  4. Step 4: Simplify right side
    945,958.60x = 945,505,064,217.66
  5. Step 5: Solve for x
    x = 945,505,064,217.66/945,958.60
  6. Step 6: Final answer
    x = 999,520.55

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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.