Home / 1,320.63-1,977.30-995.01

Finding the Fourth Proportional to 1,320.63, 1,977.30 and 995.01

Calculator

Solution

The fourth proportional to 1,320.63, 1,977.30 and 995.01 is: 1,489.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320.63 : 1,977.30 = 995.01 : x
  2. Step 2: Convert to fraction form
    1,320.63/1,977.30 = 995.01/x
  3. Step 3: Cross multiply
    1,320.63x = 1,977.30 × 995.01
  4. Step 4: Simplify right side
    1,320.63x = 1,967,433.27
  5. Step 5: Solve for x
    x = 1,967,433.27/1,320.63
  6. Step 6: Final answer
    x = 1,489.77

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.