Home / 1,188,849.87-1,781,813.38-548,264.36

Finding the Fourth Proportional to 1,188,849.87, 1,781,813.38 and 548,264.36

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Solution

The fourth proportional to 1,188,849.87, 1,781,813.38 and 548,264.36 is: 821,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,849.87 : 1,781,813.38 = 548,264.36 : x
  2. Step 2: Convert to fraction form
    1,188,849.87/1,781,813.38 = 548,264.36/x
  3. Step 3: Cross multiply
    1,188,849.87x = 1,781,813.38 × 548,264.36
  4. Step 4: Simplify right side
    1,188,849.87x = 976,904,772,425.14
  5. Step 5: Solve for x
    x = 976,904,772,425.14/1,188,849.87
  6. Step 6: Final answer
    x = 821,722.57

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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.