Home / 1,498,178.67-2,247,021.96-645,020.60

Finding the Fourth Proportional to 1,498,178.67, 2,247,021.96 and 645,020.60

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Solution

The fourth proportional to 1,498,178.67, 2,247,021.96 and 645,020.60 is: 967,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,178.67 : 2,247,021.96 = 645,020.60 : x
  2. Step 2: Convert to fraction form
    1,498,178.67/2,247,021.96 = 645,020.60/x
  3. Step 3: Cross multiply
    1,498,178.67x = 2,247,021.96 × 645,020.60
  4. Step 4: Simplify right side
    1,498,178.67x = 1,449,375,441,617.27
  5. Step 5: Solve for x
    x = 1,449,375,441,617.27/1,498,178.67
  6. Step 6: Final answer
    x = 967,424.96

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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.