Home / 1,268.07-1,749.95-744.11

Finding the Fourth Proportional to 1,268.07, 1,749.95 and 744.11

Calculator

Solution

The fourth proportional to 1,268.07, 1,749.95 and 744.11 is: 1,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268.07 : 1,749.95 = 744.11 : x
  2. Step 2: Convert to fraction form
    1,268.07/1,749.95 = 744.11/x
  3. Step 3: Cross multiply
    1,268.07x = 1,749.95 × 744.11
  4. Step 4: Simplify right side
    1,268.07x = 1,302,155.29
  5. Step 5: Solve for x
    x = 1,302,155.29/1,268.07
  6. Step 6: Final answer
    x = 1,026.88

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.