Home / 1,408,165.90-2,111,405.31-448,206.82

Finding the Fourth Proportional to 1,408,165.90, 2,111,405.31 and 448,206.82

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Solution

The fourth proportional to 1,408,165.90, 2,111,405.31 and 448,206.82 is: 672,041.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,165.90 : 2,111,405.31 = 448,206.82 : x
  2. Step 2: Convert to fraction form
    1,408,165.90/2,111,405.31 = 448,206.82/x
  3. Step 3: Cross multiply
    1,408,165.90x = 2,111,405.31 × 448,206.82
  4. Step 4: Simplify right side
    1,408,165.90x = 946,346,259,726.21
  5. Step 5: Solve for x
    x = 946,346,259,726.21/1,408,165.90
  6. Step 6: Final answer
    x = 672,041.74

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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.