Home / 1,270,683.78-1,753,701.63-726,744.09

Finding the Fourth Proportional to 1,270,683.78, 1,753,701.63 and 726,744.09

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Solution

The fourth proportional to 1,270,683.78, 1,753,701.63 and 726,744.09 is: 1,002,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,683.78 : 1,753,701.63 = 726,744.09 : x
  2. Step 2: Convert to fraction form
    1,270,683.78/1,753,701.63 = 726,744.09/x
  3. Step 3: Cross multiply
    1,270,683.78x = 1,753,701.63 × 726,744.09
  4. Step 4: Simplify right side
    1,270,683.78x = 1,274,492,295,225.87
  5. Step 5: Solve for x
    x = 1,274,492,295,225.87/1,270,683.78
  6. Step 6: Final answer
    x = 1,002,997.22

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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.