Home / 1,391,727.96-1,920,551.99-818,804.97

Finding the Fourth Proportional to 1,391,727.96, 1,920,551.99 and 818,804.97

Calculator

Solution

The fourth proportional to 1,391,727.96, 1,920,551.99 and 818,804.97 is: 1,129,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,727.96 : 1,920,551.99 = 818,804.97 : x
  2. Step 2: Convert to fraction form
    1,391,727.96/1,920,551.99 = 818,804.97/x
  3. Step 3: Cross multiply
    1,391,727.96x = 1,920,551.99 × 818,804.97
  4. Step 4: Simplify right side
    1,391,727.96x = 1,572,557,514,555.39
  5. Step 5: Solve for x
    x = 1,572,557,514,555.39/1,391,727.96
  6. Step 6: Final answer
    x = 1,129,931.68

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.