Home / 1,387,879.47-1,914,534.90-844,181.55

Finding the Fourth Proportional to 1,387,879.47, 1,914,534.90 and 844,181.55

Calculator

Solution

The fourth proportional to 1,387,879.47, 1,914,534.90 and 844,181.55 is: 1,164,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,879.47 : 1,914,534.90 = 844,181.55 : x
  2. Step 2: Convert to fraction form
    1,387,879.47/1,914,534.90 = 844,181.55/x
  3. Step 3: Cross multiply
    1,387,879.47x = 1,914,534.90 × 844,181.55
  4. Step 4: Simplify right side
    1,387,879.47x = 1,616,215,039,411.10
  5. Step 5: Solve for x
    x = 1,616,215,039,411.10/1,387,879.47
  6. Step 6: Final answer
    x = 1,164,521.18

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.