Home / 1,212,847.27-1,673,699.91-668,971.38

Finding the Fourth Proportional to 1,212,847.27, 1,673,699.91 and 668,971.38

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Solution

The fourth proportional to 1,212,847.27, 1,673,699.91 and 668,971.38 is: 923,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,847.27 : 1,673,699.91 = 668,971.38 : x
  2. Step 2: Convert to fraction form
    1,212,847.27/1,673,699.91 = 668,971.38/x
  3. Step 3: Cross multiply
    1,212,847.27x = 1,673,699.91 × 668,971.38
  4. Step 4: Simplify right side
    1,212,847.27x = 1,119,657,345,611.16
  5. Step 5: Solve for x
    x = 1,119,657,345,611.16/1,212,847.27
  6. Step 6: Final answer
    x = 923,164.34

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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.