Home / 1,245,349.46-1,868,187-446,720.24

Finding the Fourth Proportional to 1,245,349.46, 1,868,187 and 446,720.24

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Solution

The fourth proportional to 1,245,349.46, 1,868,187 and 446,720.24 is: 670,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,349.46 : 1,868,187 = 446,720.24 : x
  2. Step 2: Convert to fraction form
    1,245,349.46/1,868,187 = 446,720.24/x
  3. Step 3: Cross multiply
    1,245,349.46x = 1,868,187 × 446,720.24
  4. Step 4: Simplify right side
    1,245,349.46x = 834,556,945,004.88
  5. Step 5: Solve for x
    x = 834,556,945,004.88/1,245,349.46
  6. Step 6: Final answer
    x = 670,138.76

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1.5x scale

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.