Home / 1,486,361.42-2,052,028.65-978,540.02

Finding the Fourth Proportional to 1,486,361.42, 2,052,028.65 and 978,540.02

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Solution

The fourth proportional to 1,486,361.42, 2,052,028.65 and 978,540.02 is: 1,350,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,361.42 : 2,052,028.65 = 978,540.02 : x
  2. Step 2: Convert to fraction form
    1,486,361.42/2,052,028.65 = 978,540.02/x
  3. Step 3: Cross multiply
    1,486,361.42x = 2,052,028.65 × 978,540.02
  4. Step 4: Simplify right side
    1,486,361.42x = 2,007,992,156,211.57
  5. Step 5: Solve for x
    x = 2,007,992,156,211.57/1,486,361.42
  6. Step 6: Final answer
    x = 1,350,944.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.