Home / 1,617,058.50-2,425,578.03-418,977.78

Finding the Fourth Proportional to 1,617,058.50, 2,425,578.03 and 418,977.78

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Solution

The fourth proportional to 1,617,058.50, 2,425,578.03 and 418,977.78 is: 628,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,058.50 : 2,425,578.03 = 418,977.78 : x
  2. Step 2: Convert to fraction form
    1,617,058.50/2,425,578.03 = 418,977.78/x
  3. Step 3: Cross multiply
    1,617,058.50x = 2,425,578.03 × 418,977.78
  4. Step 4: Simplify right side
    1,617,058.50x = 1,016,263,298,226.17
  5. Step 5: Solve for x
    x = 1,016,263,298,226.17/1,617,058.50
  6. Step 6: Final answer
    x = 628,464.15

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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.