Home / 1,406.88-1,941.50-785.88

Finding the Fourth Proportional to 1,406.88, 1,941.50 and 785.88

Calculator

Solution

The fourth proportional to 1,406.88, 1,941.50 and 785.88 is: 1,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406.88 : 1,941.50 = 785.88 : x
  2. Step 2: Convert to fraction form
    1,406.88/1,941.50 = 785.88/x
  3. Step 3: Cross multiply
    1,406.88x = 1,941.50 × 785.88
  4. Step 4: Simplify right side
    1,406.88x = 1,525,786.02
  5. Step 5: Solve for x
    x = 1,525,786.02/1,406.88
  6. Step 6: Final answer
    x = 1,084.52

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.