Home / 1,061.28-1,464.84-729.54

Finding the Fourth Proportional to 1,061.28, 1,464.84 and 729.54

Calculator

Solution

The fourth proportional to 1,061.28, 1,464.84 and 729.54 is: 1,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061.28 : 1,464.84 = 729.54 : x
  2. Step 2: Convert to fraction form
    1,061.28/1,464.84 = 729.54/x
  3. Step 3: Cross multiply
    1,061.28x = 1,464.84 × 729.54
  4. Step 4: Simplify right side
    1,061.28x = 1,068,659.37
  5. Step 5: Solve for x
    x = 1,068,659.37/1,061.28
  6. Step 6: Final answer
    x = 1,006.95

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.