Home / 1,385,321.82-1,911,726-773,484.99

Finding the Fourth Proportional to 1,385,321.82, 1,911,726 and 773,484.99

Calculator

Solution

The fourth proportional to 1,385,321.82, 1,911,726 and 773,484.99 is: 1,067,399.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,321.82 : 1,911,726 = 773,484.99 : x
  2. Step 2: Convert to fraction form
    1,385,321.82/1,911,726 = 773,484.99/x
  3. Step 3: Cross multiply
    1,385,321.82x = 1,911,726 × 773,484.99
  4. Step 4: Simplify right side
    1,385,321.82x = 1,478,691,365,992.74
  5. Step 5: Solve for x
    x = 1,478,691,365,992.74/1,385,321.82
  6. Step 6: Final answer
    x = 1,067,399.17

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.