Home / 1,408,206.72-2,112,086.79-448,537.80

Finding the Fourth Proportional to 1,408,206.72, 2,112,086.79 and 448,537.80

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Solution

The fourth proportional to 1,408,206.72, 2,112,086.79 and 448,537.80 is: 672,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,206.72 : 2,112,086.79 = 448,537.80 : x
  2. Step 2: Convert to fraction form
    1,408,206.72/2,112,086.79 = 448,537.80/x
  3. Step 3: Cross multiply
    1,408,206.72x = 2,112,086.79 × 448,537.80
  4. Step 4: Simplify right side
    1,408,206.72x = 947,350,762,195.66
  5. Step 5: Solve for x
    x = 947,350,762,195.66/1,408,206.72
  6. Step 6: Final answer
    x = 672,735.58

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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.