Home / 1,298,801.62-1,792,425.81-725,887.54

Finding the Fourth Proportional to 1,298,801.62, 1,792,425.81 and 725,887.54

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Solution

The fourth proportional to 1,298,801.62, 1,792,425.81 and 725,887.54 is: 1,001,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,801.62 : 1,792,425.81 = 725,887.54 : x
  2. Step 2: Convert to fraction form
    1,298,801.62/1,792,425.81 = 725,887.54/x
  3. Step 3: Cross multiply
    1,298,801.62x = 1,792,425.81 × 725,887.54
  4. Step 4: Simplify right side
    1,298,801.62x = 1,301,099,561,853.41
  5. Step 5: Solve for x
    x = 1,301,099,561,853.41/1,298,801.62
  6. Step 6: Final answer
    x = 1,001,769.28

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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.