Home / 1,059.65-1,462.55-667.20

Finding the Fourth Proportional to 1,059.65, 1,462.55 and 667.20

Calculator

Solution

The fourth proportional to 1,059.65, 1,462.55 and 667.20 is: 920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.65 : 1,462.55 = 667.20 : x
  2. Step 2: Convert to fraction form
    1,059.65/1,462.55 = 667.20/x
  3. Step 3: Cross multiply
    1,059.65x = 1,462.55 × 667.20
  4. Step 4: Simplify right side
    1,059.65x = 975,810.02
  5. Step 5: Solve for x
    x = 975,810.02/1,059.65
  6. Step 6: Final answer
    x = 920.88

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.