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Finding the Fourth Proportional to 1,107,877, 1,661,815.44 and 855,526.36

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Solution

The fourth proportional to 1,107,877, 1,661,815.44 and 855,526.36 is: 1,283,289.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,877 : 1,661,815.44 = 855,526.36 : x
  2. Step 2: Convert to fraction form
    1,107,877/1,661,815.44 = 855,526.36/x
  3. Step 3: Cross multiply
    1,107,877x = 1,661,815.44 × 855,526.36
  4. Step 4: Simplify right side
    1,107,877x = 1,421,726,914,375.00
  5. Step 5: Solve for x
    x = 1,421,726,914,375.00/1,107,877
  6. Step 6: Final answer
    x = 1,283,289.49

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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.