Home / 1,214,919.37-1,822,428.87-416,749.82

Finding the Fourth Proportional to 1,214,919.37, 1,822,428.87 and 416,749.82

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Solution

The fourth proportional to 1,214,919.37, 1,822,428.87 and 416,749.82 is: 625,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,919.37 : 1,822,428.87 = 416,749.82 : x
  2. Step 2: Convert to fraction form
    1,214,919.37/1,822,428.87 = 416,749.82/x
  3. Step 3: Cross multiply
    1,214,919.37x = 1,822,428.87 × 416,749.82
  4. Step 4: Simplify right side
    1,214,919.37x = 759,496,901,451.55
  5. Step 5: Solve for x
    x = 759,496,901,451.55/1,214,919.37
  6. Step 6: Final answer
    x = 625,141.82

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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.