Home / 1,112.04-1,667.97-649.53

Finding the Fourth Proportional to 1,112.04, 1,667.97 and 649.53

Calculator

Solution

The fourth proportional to 1,112.04, 1,667.97 and 649.53 is: 974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.04 : 1,667.97 = 649.53 : x
  2. Step 2: Convert to fraction form
    1,112.04/1,667.97 = 649.53/x
  3. Step 3: Cross multiply
    1,112.04x = 1,667.97 × 649.53
  4. Step 4: Simplify right side
    1,112.04x = 1,083,396.55
  5. Step 5: Solve for x
    x = 1,083,396.55/1,112.04
  6. Step 6: Final answer
    x = 974.24

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.