Home / 520,002-780,003-126,018

Finding the Fourth Proportional to 520,002, 780,003 and 126,018

Calculator

Solution

The fourth proportional to 520,002, 780,003 and 126,018 is: 189,027

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,002 : 780,003 = 126,018 : x
  2. Step 2: Convert to fraction form
    520,002/780,003 = 126,018/x
  3. Step 3: Cross multiply
    520,002x = 780,003 × 126,018
  4. Step 4: Simplify right side
    520,002x = 98,294,418,054
  5. Step 5: Solve for x
    x = 98,294,418,054/520,002
  6. Step 6: Final answer
    x = 189,027

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.