Home / 1,180.14-1,628.50-682.82

Finding the Fourth Proportional to 1,180.14, 1,628.50 and 682.82

Calculator

Solution

The fourth proportional to 1,180.14, 1,628.50 and 682.82 is: 942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.14 : 1,628.50 = 682.82 : x
  2. Step 2: Convert to fraction form
    1,180.14/1,628.50 = 682.82/x
  3. Step 3: Cross multiply
    1,180.14x = 1,628.50 × 682.82
  4. Step 4: Simplify right side
    1,180.14x = 1,111,960.81
  5. Step 5: Solve for x
    x = 1,111,960.81/1,180.14
  6. Step 6: Final answer
    x = 942.23

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.