Home / 1,223.53-1,835.41-401.81

Finding the Fourth Proportional to 1,223.53, 1,835.41 and 401.81

Calculator

Solution

The fourth proportional to 1,223.53, 1,835.41 and 401.81 is: 602.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.53 : 1,835.41 = 401.81 : x
  2. Step 2: Convert to fraction form
    1,223.53/1,835.41 = 401.81/x
  3. Step 3: Cross multiply
    1,223.53x = 1,835.41 × 401.81
  4. Step 4: Simplify right side
    1,223.53x = 737,475.91
  5. Step 5: Solve for x
    x = 737,475.91/1,223.53
  6. Step 6: Final answer
    x = 602.75

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.