Home / 973,121.76-1,342,909.92-543,400.56

Finding the Fourth Proportional to 973,121.76, 1,342,909.92 and 543,400.56

Calculator

Solution

The fourth proportional to 973,121.76, 1,342,909.92 and 543,400.56 is: 749,893.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,121.76 : 1,342,909.92 = 543,400.56 : x
  2. Step 2: Convert to fraction form
    973,121.76/1,342,909.92 = 543,400.56/x
  3. Step 3: Cross multiply
    973,121.76x = 1,342,909.92 × 543,400.56
  4. Step 4: Simplify right side
    973,121.76x = 729,738,002,557.56
  5. Step 5: Solve for x
    x = 729,738,002,557.56/973,121.76
  6. Step 6: Final answer
    x = 749,893.83

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.