Home / 1,270,564.09-1,904,676.49-550,453.30

Finding the Fourth Proportional to 1,270,564.09, 1,904,676.49 and 550,453.30

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Solution

The fourth proportional to 1,270,564.09, 1,904,676.49 and 550,453.30 is: 825,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,564.09 : 1,904,676.49 = 550,453.30 : x
  2. Step 2: Convert to fraction form
    1,270,564.09/1,904,676.49 = 550,453.30/x
  3. Step 3: Cross multiply
    1,270,564.09x = 1,904,676.49 × 550,453.30
  4. Step 4: Simplify right side
    1,270,564.09x = 1,048,435,459,352.92
  5. Step 5: Solve for x
    x = 1,048,435,459,352.92/1,270,564.09
  6. Step 6: Final answer
    x = 825,173.22

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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.