Home / 1,201.92-1,658.64-677.94

Finding the Fourth Proportional to 1,201.92, 1,658.64 and 677.94

Calculator

Solution

The fourth proportional to 1,201.92, 1,658.64 and 677.94 is: 935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201.92 : 1,658.64 = 677.94 : x
  2. Step 2: Convert to fraction form
    1,201.92/1,658.64 = 677.94/x
  3. Step 3: Cross multiply
    1,201.92x = 1,658.64 × 677.94
  4. Step 4: Simplify right side
    1,201.92x = 1,124,462.55
  5. Step 5: Solve for x
    x = 1,124,462.55/1,201.92
  6. Step 6: Final answer
    x = 935.56

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.