Home / 1,410.14-1,945.98-789.14

Finding the Fourth Proportional to 1,410.14, 1,945.98 and 789.14

Calculator

Solution

The fourth proportional to 1,410.14, 1,945.98 and 789.14 is: 1,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.14 : 1,945.98 = 789.14 : x
  2. Step 2: Convert to fraction form
    1,410.14/1,945.98 = 789.14/x
  3. Step 3: Cross multiply
    1,410.14x = 1,945.98 × 789.14
  4. Step 4: Simplify right side
    1,410.14x = 1,535,650.66
  5. Step 5: Solve for x
    x = 1,535,650.66/1,410.14
  6. Step 6: Final answer
    x = 1,089.01

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.