Home / 1,147,415.80-1,720,893.30-548,375.80

Finding the Fourth Proportional to 1,147,415.80, 1,720,893.30 and 548,375.80

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Solution

The fourth proportional to 1,147,415.80, 1,720,893.30 and 548,375.80 is: 822,453.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,415.80 : 1,720,893.30 = 548,375.80 : x
  2. Step 2: Convert to fraction form
    1,147,415.80/1,720,893.30 = 548,375.80/x
  3. Step 3: Cross multiply
    1,147,415.80x = 1,720,893.30 × 548,375.80
  4. Step 4: Simplify right side
    1,147,415.80x = 943,696,240,102.14
  5. Step 5: Solve for x
    x = 943,696,240,102.14/1,147,415.80
  6. Step 6: Final answer
    x = 822,453.59

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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.