Home / 1,617,065.60-2,425,605.60-418,902.80

Finding the Fourth Proportional to 1,617,065.60, 2,425,605.60 and 418,902.80

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Solution

The fourth proportional to 1,617,065.60, 2,425,605.60 and 418,902.80 is: 628,356.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,065.60 : 2,425,605.60 = 418,902.80 : x
  2. Step 2: Convert to fraction form
    1,617,065.60/2,425,605.60 = 418,902.80/x
  3. Step 3: Cross multiply
    1,617,065.60x = 2,425,605.60 × 418,902.80
  4. Step 4: Simplify right side
    1,617,065.60x = 1,016,092,977,535.68
  5. Step 5: Solve for x
    x = 1,016,092,977,535.68/1,617,065.60
  6. Step 6: Final answer
    x = 628,356.07

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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.