Home / 1,200,499.68-1,800,616.89-301,941.78

Finding the Fourth Proportional to 1,200,499.68, 1,800,616.89 and 301,941.78

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Solution

The fourth proportional to 1,200,499.68, 1,800,616.89 and 301,941.78 is: 452,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,499.68 : 1,800,616.89 = 301,941.78 : x
  2. Step 2: Convert to fraction form
    1,200,499.68/1,800,616.89 = 301,941.78/x
  3. Step 3: Cross multiply
    1,200,499.68x = 1,800,616.89 × 301,941.78
  4. Step 4: Simplify right side
    1,200,499.68x = 543,681,461,546.21
  5. Step 5: Solve for x
    x = 543,681,461,546.21/1,200,499.68
  6. Step 6: Final answer
    x = 452,879.30

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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.