Home / 1,019,512.10-1,529,169.44-309,546.29

Finding the Fourth Proportional to 1,019,512.10, 1,529,169.44 and 309,546.29

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Solution

The fourth proportional to 1,019,512.10, 1,529,169.44 and 309,546.29 is: 464,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,512.10 : 1,529,169.44 = 309,546.29 : x
  2. Step 2: Convert to fraction form
    1,019,512.10/1,529,169.44 = 309,546.29/x
  3. Step 3: Cross multiply
    1,019,512.10x = 1,529,169.44 × 309,546.29
  4. Step 4: Simplify right side
    1,019,512.10x = 473,348,729,208.57
  5. Step 5: Solve for x
    x = 473,348,729,208.57/1,019,512.10
  6. Step 6: Final answer
    x = 464,289.47

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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.