Home / 1,617,081.60-2,425,629.60-418,918.80

Finding the Fourth Proportional to 1,617,081.60, 2,425,629.60 and 418,918.80

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Solution

The fourth proportional to 1,617,081.60, 2,425,629.60 and 418,918.80 is: 628,380.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,081.60 : 2,425,629.60 = 418,918.80 : x
  2. Step 2: Convert to fraction form
    1,617,081.60/2,425,629.60 = 418,918.80/x
  3. Step 3: Cross multiply
    1,617,081.60x = 2,425,629.60 × 418,918.80
  4. Step 4: Simplify right side
    1,617,081.60x = 1,016,141,841,276.48
  5. Step 5: Solve for x
    x = 1,016,141,841,276.48/1,617,081.60
  6. Step 6: Final answer
    x = 628,380.07

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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.