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Finding the Fourth Proportional to 999,994.14, 1,500,147 and 325,919.04

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Solution

The fourth proportional to 999,994.14, 1,500,147 and 325,919.04 is: 488,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,994.14 : 1,500,147 = 325,919.04 : x
  2. Step 2: Convert to fraction form
    999,994.14/1,500,147 = 325,919.04/x
  3. Step 3: Cross multiply
    999,994.14x = 1,500,147 × 325,919.04
  4. Step 4: Simplify right side
    999,994.14x = 488,926,470,098.88
  5. Step 5: Solve for x
    x = 488,926,470,098.88/999,994.14
  6. Step 6: Final answer
    x = 488,929.34

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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.