Home / 1,463,520.72-2,019,592.64-810,171.20

Finding the Fourth Proportional to 1,463,520.72, 2,019,592.64 and 810,171.20

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Solution

The fourth proportional to 1,463,520.72, 2,019,592.64 and 810,171.20 is: 1,117,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,520.72 : 2,019,592.64 = 810,171.20 : x
  2. Step 2: Convert to fraction form
    1,463,520.72/2,019,592.64 = 810,171.20/x
  3. Step 3: Cross multiply
    1,463,520.72x = 2,019,592.64 × 810,171.20
  4. Step 4: Simplify right side
    1,463,520.72x = 1,636,215,792,659.97
  5. Step 5: Solve for x
    x = 1,636,215,792,659.97/1,463,520.72
  6. Step 6: Final answer
    x = 1,117,999.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.