Home / 1,272,720.60-1,756,387.68-691,982.79

Finding the Fourth Proportional to 1,272,720.60, 1,756,387.68 and 691,982.79

Calculator

Solution

The fourth proportional to 1,272,720.60, 1,756,387.68 and 691,982.79 is: 954,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,720.60 : 1,756,387.68 = 691,982.79 : x
  2. Step 2: Convert to fraction form
    1,272,720.60/1,756,387.68 = 691,982.79/x
  3. Step 3: Cross multiply
    1,272,720.60x = 1,756,387.68 × 691,982.79
  4. Step 4: Simplify right side
    1,272,720.60x = 1,215,390,047,128.03
  5. Step 5: Solve for x
    x = 1,215,390,047,128.03/1,272,720.60
  6. Step 6: Final answer
    x = 954,954.33

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.