Home / 1,068,120.21-1,601,073.09-667,841.79

Finding the Fourth Proportional to 1,068,120.21, 1,601,073.09 and 667,841.79

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Solution

The fourth proportional to 1,068,120.21, 1,601,073.09 and 667,841.79 is: 1,001,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,120.21 : 1,601,073.09 = 667,841.79 : x
  2. Step 2: Convert to fraction form
    1,068,120.21/1,601,073.09 = 667,841.79/x
  3. Step 3: Cross multiply
    1,068,120.21x = 1,601,073.09 × 667,841.79
  4. Step 4: Simplify right side
    1,068,120.21x = 1,069,263,518,346.43
  5. Step 5: Solve for x
    x = 1,069,263,518,346.43/1,068,120.21
  6. Step 6: Final answer
    x = 1,001,070.39

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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.