Home / 1,221,348.80-1,832,023.20-918,230.60

Finding the Fourth Proportional to 1,221,348.80, 1,832,023.20 and 918,230.60

Calculator

Solution

The fourth proportional to 1,221,348.80, 1,832,023.20 and 918,230.60 is: 1,377,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,348.80 : 1,832,023.20 = 918,230.60 : x
  2. Step 2: Convert to fraction form
    1,221,348.80/1,832,023.20 = 918,230.60/x
  3. Step 3: Cross multiply
    1,221,348.80x = 1,832,023.20 × 918,230.60
  4. Step 4: Simplify right side
    1,221,348.80x = 1,682,219,762,149.92
  5. Step 5: Solve for x
    x = 1,682,219,762,149.92/1,221,348.80
  6. Step 6: Final answer
    x = 1,377,345.90

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.