Home / 1,055.57-1,456.17-682.87

Finding the Fourth Proportional to 1,055.57, 1,456.17 and 682.87

Calculator

Solution

The fourth proportional to 1,055.57, 1,456.17 and 682.87 is: 942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055.57 : 1,456.17 = 682.87 : x
  2. Step 2: Convert to fraction form
    1,055.57/1,456.17 = 682.87/x
  3. Step 3: Cross multiply
    1,055.57x = 1,456.17 × 682.87
  4. Step 4: Simplify right side
    1,055.57x = 994,374.81
  5. Step 5: Solve for x
    x = 994,374.81/1,055.57
  6. Step 6: Final answer
    x = 942.03

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.