Home / 1,305,173.88-1,800,982.62-724,394.16

Finding the Fourth Proportional to 1,305,173.88, 1,800,982.62 and 724,394.16

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Solution

The fourth proportional to 1,305,173.88, 1,800,982.62 and 724,394.16 is: 999,576.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,173.88 : 1,800,982.62 = 724,394.16 : x
  2. Step 2: Convert to fraction form
    1,305,173.88/1,800,982.62 = 724,394.16/x
  3. Step 3: Cross multiply
    1,305,173.88x = 1,800,982.62 × 724,394.16
  4. Step 4: Simplify right side
    1,305,173.88x = 1,304,621,292,189.50
  5. Step 5: Solve for x
    x = 1,304,621,292,189.50/1,305,173.88
  6. Step 6: Final answer
    x = 999,576.62

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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.