Home / 1,616,930.80-2,425,404.60-418,769.20

Finding the Fourth Proportional to 1,616,930.80, 2,425,404.60 and 418,769.20

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Solution

The fourth proportional to 1,616,930.80, 2,425,404.60 and 418,769.20 is: 628,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,930.80 : 2,425,404.60 = 418,769.20 : x
  2. Step 2: Convert to fraction form
    1,616,930.80/2,425,404.60 = 418,769.20/x
  3. Step 3: Cross multiply
    1,616,930.80x = 2,425,404.60 × 418,769.20
  4. Step 4: Simplify right side
    1,616,930.80x = 1,015,684,744,018.32
  5. Step 5: Solve for x
    x = 1,015,684,744,018.32/1,616,930.80
  6. Step 6: Final answer
    x = 628,155.98

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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.