Home / 1,298,618.60-1,792,059.26-725,663.48

Finding the Fourth Proportional to 1,298,618.60, 1,792,059.26 and 725,663.48

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Solution

The fourth proportional to 1,298,618.60, 1,792,059.26 and 725,663.48 is: 1,001,396.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,618.60 : 1,792,059.26 = 725,663.48 : x
  2. Step 2: Convert to fraction form
    1,298,618.60/1,792,059.26 = 725,663.48/x
  3. Step 3: Cross multiply
    1,298,618.60x = 1,792,059.26 × 725,663.48
  4. Step 4: Simplify right side
    1,298,618.60x = 1,300,431,958,977.82
  5. Step 5: Solve for x
    x = 1,300,431,958,977.82/1,298,618.60
  6. Step 6: Final answer
    x = 1,001,396.38

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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.