Home / 1,616,998.60-2,425,505.10-418,835.80

Finding the Fourth Proportional to 1,616,998.60, 2,425,505.10 and 418,835.80

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Solution

The fourth proportional to 1,616,998.60, 2,425,505.10 and 418,835.80 is: 628,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,998.60 : 2,425,505.10 = 418,835.80 : x
  2. Step 2: Convert to fraction form
    1,616,998.60/2,425,505.10 = 418,835.80/x
  3. Step 3: Cross multiply
    1,616,998.60x = 2,425,505.10 × 418,835.80
  4. Step 4: Simplify right side
    1,616,998.60x = 1,015,888,368,962.58
  5. Step 5: Solve for x
    x = 1,015,888,368,962.58/1,616,998.60
  6. Step 6: Final answer
    x = 628,255.56

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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.