Home / 1,094,204.30-1,640,183.99-420,104.07

Finding the Fourth Proportional to 1,094,204.30, 1,640,183.99 and 420,104.07

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Solution

The fourth proportional to 1,094,204.30, 1,640,183.99 and 420,104.07 is: 629,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,204.30 : 1,640,183.99 = 420,104.07 : x
  2. Step 2: Convert to fraction form
    1,094,204.30/1,640,183.99 = 420,104.07/x
  3. Step 3: Cross multiply
    1,094,204.30x = 1,640,183.99 × 420,104.07
  4. Step 4: Simplify right side
    1,094,204.30x = 689,047,967,647.32
  5. Step 5: Solve for x
    x = 689,047,967,647.32/1,094,204.30
  6. Step 6: Final answer
    x = 629,725.15

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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.