Home / 1,276,978.76-1,762,230.12-733,149.62

Finding the Fourth Proportional to 1,276,978.76, 1,762,230.12 and 733,149.62

Calculator

Solution

The fourth proportional to 1,276,978.76, 1,762,230.12 and 733,149.62 is: 1,011,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,978.76 : 1,762,230.12 = 733,149.62 : x
  2. Step 2: Convert to fraction form
    1,276,978.76/1,762,230.12 = 733,149.62/x
  3. Step 3: Cross multiply
    1,276,978.76x = 1,762,230.12 × 733,149.62
  4. Step 4: Simplify right side
    1,276,978.76x = 1,291,978,342,830.55
  5. Step 5: Solve for x
    x = 1,291,978,342,830.55/1,276,978.76
  6. Step 6: Final answer
    x = 1,011,746.15

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.