Home / 720,613-1,080,910.86-676,769.48

Finding the Fourth Proportional to 720,613, 1,080,910.86 and 676,769.48

Calculator

Solution

The fourth proportional to 720,613, 1,080,910.86 and 676,769.48 is: 1,015,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,613 : 1,080,910.86 = 676,769.48 : x
  2. Step 2: Convert to fraction form
    720,613/1,080,910.86 = 676,769.48/x
  3. Step 3: Cross multiply
    720,613x = 1,080,910.86 × 676,769.48
  4. Step 4: Simplify right side
    720,613x = 731,527,480,648.55
  5. Step 5: Solve for x
    x = 731,527,480,648.55/720,613
  6. Step 6: Final answer
    x = 1,015,146.11

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.