Home / 1,232.73-1,701.45-813.12

Finding the Fourth Proportional to 1,232.73, 1,701.45 and 813.12

Calculator

Solution

The fourth proportional to 1,232.73, 1,701.45 and 813.12 is: 1,122.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.73 : 1,701.45 = 813.12 : x
  2. Step 2: Convert to fraction form
    1,232.73/1,701.45 = 813.12/x
  3. Step 3: Cross multiply
    1,232.73x = 1,701.45 × 813.12
  4. Step 4: Simplify right side
    1,232.73x = 1,383,483.02
  5. Step 5: Solve for x
    x = 1,383,483.02/1,232.73
  6. Step 6: Final answer
    x = 1,122.29

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.