Home / 1,127.27-1,555.83-655.31

Finding the Fourth Proportional to 1,127.27, 1,555.83 and 655.31

Calculator

Solution

The fourth proportional to 1,127.27, 1,555.83 and 655.31 is: 904.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127.27 : 1,555.83 = 655.31 : x
  2. Step 2: Convert to fraction form
    1,127.27/1,555.83 = 655.31/x
  3. Step 3: Cross multiply
    1,127.27x = 1,555.83 × 655.31
  4. Step 4: Simplify right side
    1,127.27x = 1,019,549.32
  5. Step 5: Solve for x
    x = 1,019,549.32/1,127.27
  6. Step 6: Final answer
    x = 904.44

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.