Home / 1,300.95-1,794.78-803.79

Finding the Fourth Proportional to 1,300.95, 1,794.78 and 803.79

Calculator

Solution

The fourth proportional to 1,300.95, 1,794.78 and 803.79 is: 1,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300.95 : 1,794.78 = 803.79 : x
  2. Step 2: Convert to fraction form
    1,300.95/1,794.78 = 803.79/x
  3. Step 3: Cross multiply
    1,300.95x = 1,794.78 × 803.79
  4. Step 4: Simplify right side
    1,300.95x = 1,442,626.22
  5. Step 5: Solve for x
    x = 1,442,626.22/1,300.95
  6. Step 6: Final answer
    x = 1,108.90

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.