Home / 1,270,990.80-1,906,484.61-324,361.56

Finding the Fourth Proportional to 1,270,990.80, 1,906,484.61 and 324,361.56

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Solution

The fourth proportional to 1,270,990.80, 1,906,484.61 and 324,361.56 is: 486,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,990.80 : 1,906,484.61 = 324,361.56 : x
  2. Step 2: Convert to fraction form
    1,270,990.80/1,906,484.61 = 324,361.56/x
  3. Step 3: Cross multiply
    1,270,990.80x = 1,906,484.61 × 324,361.56
  4. Step 4: Simplify right side
    1,270,990.80x = 618,390,322,215.59
  5. Step 5: Solve for x
    x = 618,390,322,215.59/1,270,990.80
  6. Step 6: Final answer
    x = 486,541.93

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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.