Home / 1,422,578.58-2,135,371.78-1,390,452.26

Finding the Fourth Proportional to 1,422,578.58, 2,135,371.78 and 1,390,452.26

Calculator

Solution

The fourth proportional to 1,422,578.58, 2,135,371.78 and 1,390,452.26 is: 2,087,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,578.58 : 2,135,371.78 = 1,390,452.26 : x
  2. Step 2: Convert to fraction form
    1,422,578.58/2,135,371.78 = 1,390,452.26/x
  3. Step 3: Cross multiply
    1,422,578.58x = 2,135,371.78 × 1,390,452.26
  4. Step 4: Simplify right side
    1,422,578.58x = 2,969,132,517,441.22
  5. Step 5: Solve for x
    x = 2,969,132,517,441.22/1,422,578.58
  6. Step 6: Final answer
    x = 2,087,148.34

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.