Home / 1,107,914.72-1,661,872.50-855,564.08

Finding the Fourth Proportional to 1,107,914.72, 1,661,872.50 and 855,564.08

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Solution

The fourth proportional to 1,107,914.72, 1,661,872.50 and 855,564.08 is: 1,283,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,914.72 : 1,661,872.50 = 855,564.08 : x
  2. Step 2: Convert to fraction form
    1,107,914.72/1,661,872.50 = 855,564.08/x
  3. Step 3: Cross multiply
    1,107,914.72x = 1,661,872.50 × 855,564.08
  4. Step 4: Simplify right side
    1,107,914.72x = 1,421,838,408,230.44
  5. Step 5: Solve for x
    x = 1,421,838,408,230.44/1,107,914.72
  6. Step 6: Final answer
    x = 1,283,346.44

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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.