Home / 459,923.69-689,832.96-122,990.60

Finding the Fourth Proportional to 459,923.69, 689,832.96 and 122,990.60

Calculator

Solution

The fourth proportional to 459,923.69, 689,832.96 and 122,990.60 is: 184,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,923.69 : 689,832.96 = 122,990.60 : x
  2. Step 2: Convert to fraction form
    459,923.69/689,832.96 = 122,990.60/x
  3. Step 3: Cross multiply
    459,923.69x = 689,832.96 × 122,990.60
  4. Step 4: Simplify right side
    459,923.69x = 84,842,970,913.54
  5. Step 5: Solve for x
    x = 84,842,970,913.54/459,923.69
  6. Step 6: Final answer
    x = 184,471.84

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.