Home / 1,617,084.60-2,425,634.10-418,921.80

Finding the Fourth Proportional to 1,617,084.60, 2,425,634.10 and 418,921.80

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Solution

The fourth proportional to 1,617,084.60, 2,425,634.10 and 418,921.80 is: 628,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,084.60 : 2,425,634.10 = 418,921.80 : x
  2. Step 2: Convert to fraction form
    1,617,084.60/2,425,634.10 = 418,921.80/x
  3. Step 3: Cross multiply
    1,617,084.60x = 2,425,634.10 × 418,921.80
  4. Step 4: Simplify right side
    1,617,084.60x = 1,016,151,003,313.38
  5. Step 5: Solve for x
    x = 1,016,151,003,313.38/1,617,084.60
  6. Step 6: Final answer
    x = 628,384.57

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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.