Home / 1,247,273.87-1,721,238.09-674,313.89

Finding the Fourth Proportional to 1,247,273.87, 1,721,238.09 and 674,313.89

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Solution

The fourth proportional to 1,247,273.87, 1,721,238.09 and 674,313.89 is: 930,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,273.87 : 1,721,238.09 = 674,313.89 : x
  2. Step 2: Convert to fraction form
    1,247,273.87/1,721,238.09 = 674,313.89/x
  3. Step 3: Cross multiply
    1,247,273.87x = 1,721,238.09 × 674,313.89
  4. Step 4: Simplify right side
    1,247,273.87x = 1,160,654,752,084.07
  5. Step 5: Solve for x
    x = 1,160,654,752,084.07/1,247,273.87
  6. Step 6: Final answer
    x = 930,553.25

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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.