Home / 1,375,190.73-1,897,668.09-763,295.31

Finding the Fourth Proportional to 1,375,190.73, 1,897,668.09 and 763,295.31

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Solution

The fourth proportional to 1,375,190.73, 1,897,668.09 and 763,295.31 is: 1,053,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,190.73 : 1,897,668.09 = 763,295.31 : x
  2. Step 2: Convert to fraction form
    1,375,190.73/1,897,668.09 = 763,295.31/x
  3. Step 3: Cross multiply
    1,375,190.73x = 1,897,668.09 × 763,295.31
  4. Step 4: Simplify right side
    1,375,190.73x = 1,448,481,153,033.66
  5. Step 5: Solve for x
    x = 1,448,481,153,033.66/1,375,190.73
  6. Step 6: Final answer
    x = 1,053,294.73

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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.