Home / 1,127.24-1,556.30-773.75

Finding the Fourth Proportional to 1,127.24, 1,556.30 and 773.75

Calculator

Solution

The fourth proportional to 1,127.24, 1,556.30 and 773.75 is: 1,068.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127.24 : 1,556.30 = 773.75 : x
  2. Step 2: Convert to fraction form
    1,127.24/1,556.30 = 773.75/x
  3. Step 3: Cross multiply
    1,127.24x = 1,556.30 × 773.75
  4. Step 4: Simplify right side
    1,127.24x = 1,204,192.95
  5. Step 5: Solve for x
    x = 1,204,192.95/1,127.24
  6. Step 6: Final answer
    x = 1,068.27

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.