Home / 1,451,838.30-2,177,757.45-821,982.30

Finding the Fourth Proportional to 1,451,838.30, 2,177,757.45 and 821,982.30

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Solution

The fourth proportional to 1,451,838.30, 2,177,757.45 and 821,982.30 is: 1,232,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,838.30 : 2,177,757.45 = 821,982.30 : x
  2. Step 2: Convert to fraction form
    1,451,838.30/2,177,757.45 = 821,982.30/x
  3. Step 3: Cross multiply
    1,451,838.30x = 2,177,757.45 × 821,982.30
  4. Step 4: Simplify right side
    1,451,838.30x = 1,790,078,077,593.14
  5. Step 5: Solve for x
    x = 1,790,078,077,593.14/1,451,838.30
  6. Step 6: Final answer
    x = 1,232,973.45

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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.