Home / 880,979.20-1,321,468.80-821,492.80

Finding the Fourth Proportional to 880,979.20, 1,321,468.80 and 821,492.80

Calculator

Solution

The fourth proportional to 880,979.20, 1,321,468.80 and 821,492.80 is: 1,232,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,979.20 : 1,321,468.80 = 821,492.80 : x
  2. Step 2: Convert to fraction form
    880,979.20/1,321,468.80 = 821,492.80/x
  3. Step 3: Cross multiply
    880,979.20x = 1,321,468.80 × 821,492.80
  4. Step 4: Simplify right side
    880,979.20x = 1,085,577,104,624.64
  5. Step 5: Solve for x
    x = 1,085,577,104,624.64/880,979.20
  6. Step 6: Final answer
    x = 1,232,239.20

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.