Home / 1,321,542.20-1,982,388.66-374,838.52

Finding the Fourth Proportional to 1,321,542.20, 1,982,388.66 and 374,838.52

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Solution

The fourth proportional to 1,321,542.20, 1,982,388.66 and 374,838.52 is: 562,279.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,542.20 : 1,982,388.66 = 374,838.52 : x
  2. Step 2: Convert to fraction form
    1,321,542.20/1,982,388.66 = 374,838.52/x
  3. Step 3: Cross multiply
    1,321,542.20x = 1,982,388.66 × 374,838.52
  4. Step 4: Simplify right side
    1,321,542.20x = 743,075,631,379.18
  5. Step 5: Solve for x
    x = 743,075,631,379.18/1,321,542.20
  6. Step 6: Final answer
    x = 562,279.15

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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.