Home / 1,298,609.28-1,792,046.43-725,654.16

Finding the Fourth Proportional to 1,298,609.28, 1,792,046.43 and 725,654.16

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Solution

The fourth proportional to 1,298,609.28, 1,792,046.43 and 725,654.16 is: 1,001,383.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,609.28 : 1,792,046.43 = 725,654.16 : x
  2. Step 2: Convert to fraction form
    1,298,609.28/1,792,046.43 = 725,654.16/x
  3. Step 3: Cross multiply
    1,298,609.28x = 1,792,046.43 × 725,654.16
  4. Step 4: Simplify right side
    1,298,609.28x = 1,300,405,946,842.65
  5. Step 5: Solve for x
    x = 1,300,405,946,842.65/1,298,609.28
  6. Step 6: Final answer
    x = 1,001,383.53

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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.