Home / 1,540,765.75-2,126,937.79-920,789.71

Finding the Fourth Proportional to 1,540,765.75, 2,126,937.79 and 920,789.71

Calculator

Solution

The fourth proportional to 1,540,765.75, 2,126,937.79 and 920,789.71 is: 1,271,096.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,765.75 : 2,126,937.79 = 920,789.71 : x
  2. Step 2: Convert to fraction form
    1,540,765.75/2,126,937.79 = 920,789.71/x
  3. Step 3: Cross multiply
    1,540,765.75x = 2,126,937.79 × 920,789.71
  4. Step 4: Simplify right side
    1,540,765.75x = 1,958,462,426,675.78
  5. Step 5: Solve for x
    x = 1,958,462,426,675.78/1,540,765.75
  6. Step 6: Final answer
    x = 1,271,096.81

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.