Home / 1,408,145.05-2,112,382.47-448,264.33

Finding the Fourth Proportional to 1,408,145.05, 2,112,382.47 and 448,264.33

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Solution

The fourth proportional to 1,408,145.05, 2,112,382.47 and 448,264.33 is: 672,448.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,145.05 : 2,112,382.47 = 448,264.33 : x
  2. Step 2: Convert to fraction form
    1,408,145.05/2,112,382.47 = 448,264.33/x
  3. Step 3: Cross multiply
    1,408,145.05x = 2,112,382.47 × 448,264.33
  4. Step 4: Simplify right side
    1,408,145.05x = 946,905,712,618.30
  5. Step 5: Solve for x
    x = 946,905,712,618.30/1,408,145.05
  6. Step 6: Final answer
    x = 672,448.99

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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.