Home / 1,627,101.20-2,440,625.88-505,171.28

Finding the Fourth Proportional to 1,627,101.20, 2,440,625.88 and 505,171.28

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Solution

The fourth proportional to 1,627,101.20, 2,440,625.88 and 505,171.28 is: 757,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,101.20 : 2,440,625.88 = 505,171.28 : x
  2. Step 2: Convert to fraction form
    1,627,101.20/2,440,625.88 = 505,171.28/x
  3. Step 3: Cross multiply
    1,627,101.20x = 2,440,625.88 × 505,171.28
  4. Step 4: Simplify right side
    1,627,101.20x = 1,232,934,099,800.73
  5. Step 5: Solve for x
    x = 1,232,934,099,800.73/1,627,101.20
  6. Step 6: Final answer
    x = 757,748.87

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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.