Home / 1,265,997.30-1,747,076.10-685,220.31

Finding the Fourth Proportional to 1,265,997.30, 1,747,076.10 and 685,220.31

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Solution

The fourth proportional to 1,265,997.30, 1,747,076.10 and 685,220.31 is: 945,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,997.30 : 1,747,076.10 = 685,220.31 : x
  2. Step 2: Convert to fraction form
    1,265,997.30/1,747,076.10 = 685,220.31/x
  3. Step 3: Cross multiply
    1,265,997.30x = 1,747,076.10 × 685,220.31
  4. Step 4: Simplify right side
    1,265,997.30x = 1,197,132,026,835.59
  5. Step 5: Solve for x
    x = 1,197,132,026,835.59/1,265,997.30
  6. Step 6: Final answer
    x = 945,603.93

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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.