Home / 1,347,974.80-2,021,400.06-548,713.78

Finding the Fourth Proportional to 1,347,974.80, 2,021,400.06 and 548,713.78

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Solution

The fourth proportional to 1,347,974.80, 2,021,400.06 and 548,713.78 is: 822,841.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,974.80 : 2,021,400.06 = 548,713.78 : x
  2. Step 2: Convert to fraction form
    1,347,974.80/2,021,400.06 = 548,713.78/x
  3. Step 3: Cross multiply
    1,347,974.80x = 2,021,400.06 × 548,713.78
  4. Step 4: Simplify right side
    1,347,974.80x = 1,109,170,060,703.65
  5. Step 5: Solve for x
    x = 1,109,170,060,703.65/1,347,974.80
  6. Step 6: Final answer
    x = 822,841.84

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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.