Home / 1,321,634.88-1,982,445.82-375,007.32

Finding the Fourth Proportional to 1,321,634.88, 1,982,445.82 and 375,007.32

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Solution

The fourth proportional to 1,321,634.88, 1,982,445.82 and 375,007.32 is: 562,509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,634.88 : 1,982,445.82 = 375,007.32 : x
  2. Step 2: Convert to fraction form
    1,321,634.88/1,982,445.82 = 375,007.32/x
  3. Step 3: Cross multiply
    1,321,634.88x = 1,982,445.82 × 375,007.32
  4. Step 4: Simplify right side
    1,321,634.88x = 743,431,694,003.40
  5. Step 5: Solve for x
    x = 743,431,694,003.40/1,321,634.88
  6. Step 6: Final answer
    x = 562,509.14

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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.