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Finding the Fourth Proportional to 1,008,963, 1,512,734.88 and 468,645.62

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Solution

The fourth proportional to 1,008,963, 1,512,734.88 and 468,645.62 is: 702,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,963 : 1,512,734.88 = 468,645.62 : x
  2. Step 2: Convert to fraction form
    1,008,963/1,512,734.88 = 468,645.62/x
  3. Step 3: Cross multiply
    1,008,963x = 1,512,734.88 × 468,645.62
  4. Step 4: Simplify right side
    1,008,963x = 708,936,568,169.55
  5. Step 5: Solve for x
    x = 708,936,568,169.55/1,008,963
  6. Step 6: Final answer
    x = 702,638.82

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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.