Home / 1,406.56-1,940.92-785.52

Finding the Fourth Proportional to 1,406.56, 1,940.92 and 785.52

Calculator

Solution

The fourth proportional to 1,406.56, 1,940.92 and 785.52 is: 1,083.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406.56 : 1,940.92 = 785.52 : x
  2. Step 2: Convert to fraction form
    1,406.56/1,940.92 = 785.52/x
  3. Step 3: Cross multiply
    1,406.56x = 1,940.92 × 785.52
  4. Step 4: Simplify right side
    1,406.56x = 1,524,631.48
  5. Step 5: Solve for x
    x = 1,524,631.48/1,406.56
  6. Step 6: Final answer
    x = 1,083.94

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.