Home / 801,167.20-1,207,374.50-721,285

Finding the Fourth Proportional to 801,167.20, 1,207,374.50 and 721,285

Calculator

Solution

The fourth proportional to 801,167.20, 1,207,374.50 and 721,285 is: 1,086,990.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,167.20 : 1,207,374.50 = 721,285 : x
  2. Step 2: Convert to fraction form
    801,167.20/1,207,374.50 = 721,285/x
  3. Step 3: Cross multiply
    801,167.20x = 1,207,374.50 × 721,285
  4. Step 4: Simplify right side
    801,167.20x = 870,861,116,232.50
  5. Step 5: Solve for x
    x = 870,861,116,232.50/801,167.20
  6. Step 6: Final answer
    x = 1,086,990.48

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.