Home / 1,394,019.32-1,923,628.70-782,089.43

Finding the Fourth Proportional to 1,394,019.32, 1,923,628.70 and 782,089.43

Calculator

Solution

The fourth proportional to 1,394,019.32, 1,923,628.70 and 782,089.43 is: 1,079,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,019.32 : 1,923,628.70 = 782,089.43 : x
  2. Step 2: Convert to fraction form
    1,394,019.32/1,923,628.70 = 782,089.43/x
  3. Step 3: Cross multiply
    1,394,019.32x = 1,923,628.70 × 782,089.43
  4. Step 4: Simplify right side
    1,394,019.32x = 1,504,449,665,851.72
  5. Step 5: Solve for x
    x = 1,504,449,665,851.72/1,394,019.32
  6. Step 6: Final answer
    x = 1,079,217.23

Related Problems

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.