Home / 1,330,172.88-1,835,638.77-726,560.88

Finding the Fourth Proportional to 1,330,172.88, 1,835,638.77 and 726,560.88

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Solution

The fourth proportional to 1,330,172.88, 1,835,638.77 and 726,560.88 is: 1,002,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,172.88 : 1,835,638.77 = 726,560.88 : x
  2. Step 2: Convert to fraction form
    1,330,172.88/1,835,638.77 = 726,560.88/x
  3. Step 3: Cross multiply
    1,330,172.88x = 1,835,638.77 × 726,560.88
  4. Step 4: Simplify right side
    1,330,172.88x = 1,333,703,310,915.12
  5. Step 5: Solve for x
    x = 1,333,703,310,915.12/1,330,172.88
  6. Step 6: Final answer
    x = 1,002,654.12

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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.