Home / 1,408,146.32-2,111,375.97-448,187.28

Finding the Fourth Proportional to 1,408,146.32, 2,111,375.97 and 448,187.28

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Solution

The fourth proportional to 1,408,146.32, 2,111,375.97 and 448,187.28 is: 672,012.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,146.32 : 2,111,375.97 = 448,187.28 : x
  2. Step 2: Convert to fraction form
    1,408,146.32/2,111,375.97 = 448,187.28/x
  3. Step 3: Cross multiply
    1,408,146.32x = 2,111,375.97 × 448,187.28
  4. Step 4: Simplify right side
    1,408,146.32x = 946,291,845,134.00
  5. Step 5: Solve for x
    x = 946,291,845,134.00/1,408,146.32
  6. Step 6: Final answer
    x = 672,012.44

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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.