Home / 1,347,982.80-2,021,412.06-548,721.78

Finding the Fourth Proportional to 1,347,982.80, 2,021,412.06 and 548,721.78

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Solution

The fourth proportional to 1,347,982.80, 2,021,412.06 and 548,721.78 is: 822,853.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,982.80 : 2,021,412.06 = 548,721.78 : x
  2. Step 2: Convert to fraction form
    1,347,982.80/2,021,412.06 = 548,721.78/x
  3. Step 3: Cross multiply
    1,347,982.80x = 2,021,412.06 × 548,721.78
  4. Step 4: Simplify right side
    1,347,982.80x = 1,109,192,823,676.67
  5. Step 5: Solve for x
    x = 1,109,192,823,676.67/1,347,982.80
  6. Step 6: Final answer
    x = 822,853.84

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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.