Home / 1,783,375.36-2,673,002.96-821,820.40

Finding the Fourth Proportional to 1,783,375.36, 2,673,002.96 and 821,820.40

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Solution

The fourth proportional to 1,783,375.36, 2,673,002.96 and 821,820.40 is: 1,231,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,375.36 : 2,673,002.96 = 821,820.40 : x
  2. Step 2: Convert to fraction form
    1,783,375.36/2,673,002.96 = 821,820.40/x
  3. Step 3: Cross multiply
    1,783,375.36x = 2,673,002.96 × 821,820.40
  4. Step 4: Simplify right side
    1,783,375.36x = 2,196,728,361,788.38
  5. Step 5: Solve for x
    x = 2,196,728,361,788.38/1,783,375.36
  6. Step 6: Final answer
    x = 1,231,781.27

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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.