Home / 1,298,722.56-1,792,239.56-725,762.73

Finding the Fourth Proportional to 1,298,722.56, 1,792,239.56 and 725,762.73

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Solution

The fourth proportional to 1,298,722.56, 1,792,239.56 and 725,762.73 is: 1,001,553.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,722.56 : 1,792,239.56 = 725,762.73 : x
  2. Step 2: Convert to fraction form
    1,298,722.56/1,792,239.56 = 725,762.73/x
  3. Step 3: Cross multiply
    1,298,722.56x = 1,792,239.56 × 725,762.73
  4. Step 4: Simplify right side
    1,298,722.56x = 1,300,740,675,879.60
  5. Step 5: Solve for x
    x = 1,300,740,675,879.60/1,298,722.56
  6. Step 6: Final answer
    x = 1,001,553.93

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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.