Home / 1,347,684.82-2,021,388.70-449,029.50

Finding the Fourth Proportional to 1,347,684.82, 2,021,388.70 and 449,029.50

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Solution

The fourth proportional to 1,347,684.82, 2,021,388.70 and 449,029.50 is: 673,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,684.82 : 2,021,388.70 = 449,029.50 : x
  2. Step 2: Convert to fraction form
    1,347,684.82/2,021,388.70 = 449,029.50/x
  3. Step 3: Cross multiply
    1,347,684.82x = 2,021,388.70 × 449,029.50
  4. Step 4: Simplify right side
    1,347,684.82x = 907,663,157,266.65
  5. Step 5: Solve for x
    x = 907,663,157,266.65/1,347,684.82
  6. Step 6: Final answer
    x = 673,498.09

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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.