Home / 1,448,193.89-2,172,335.61-728,564.89

Finding the Fourth Proportional to 1,448,193.89, 2,172,335.61 and 728,564.89

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Solution

The fourth proportional to 1,448,193.89, 2,172,335.61 and 728,564.89 is: 1,092,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,193.89 : 2,172,335.61 = 728,564.89 : x
  2. Step 2: Convert to fraction form
    1,448,193.89/2,172,335.61 = 728,564.89/x
  3. Step 3: Cross multiply
    1,448,193.89x = 2,172,335.61 × 728,564.89
  4. Step 4: Simplify right side
    1,448,193.89x = 1,582,687,440,238.23
  5. Step 5: Solve for x
    x = 1,582,687,440,238.23/1,448,193.89
  6. Step 6: Final answer
    x = 1,092,869.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.