Home / 1,298,829.92-1,792,351.68-725,874.80

Finding the Fourth Proportional to 1,298,829.92, 1,792,351.68 and 725,874.80

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Solution

The fourth proportional to 1,298,829.92, 1,792,351.68 and 725,874.80 is: 1,001,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,829.92 : 1,792,351.68 = 725,874.80 : x
  2. Step 2: Convert to fraction form
    1,298,829.92/1,792,351.68 = 725,874.80/x
  3. Step 3: Cross multiply
    1,298,829.92x = 1,792,351.68 × 725,874.80
  4. Step 4: Simplify right side
    1,298,829.92x = 1,301,022,917,249.66
  5. Step 5: Solve for x
    x = 1,301,022,917,249.66/1,298,829.92
  6. Step 6: Final answer
    x = 1,001,688.44

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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.