Home / 1,008,433.56-1,512,619.68-409,380.24

Finding the Fourth Proportional to 1,008,433.56, 1,512,619.68 and 409,380.24

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Solution

The fourth proportional to 1,008,433.56, 1,512,619.68 and 409,380.24 is: 614,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,433.56 : 1,512,619.68 = 409,380.24 : x
  2. Step 2: Convert to fraction form
    1,008,433.56/1,512,619.68 = 409,380.24/x
  3. Step 3: Cross multiply
    1,008,433.56x = 1,512,619.68 × 409,380.24
  4. Step 4: Simplify right side
    1,008,433.56x = 619,236,607,627.12
  5. Step 5: Solve for x
    x = 619,236,607,627.12/1,008,433.56
  6. Step 6: Final answer
    x = 614,057.91

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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.