Home / 1,214,458.90-1,821,907.05-504,558.70

Finding the Fourth Proportional to 1,214,458.90, 1,821,907.05 and 504,558.70

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Solution

The fourth proportional to 1,214,458.90, 1,821,907.05 and 504,558.70 is: 756,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,458.90 : 1,821,907.05 = 504,558.70 : x
  2. Step 2: Convert to fraction form
    1,214,458.90/1,821,907.05 = 504,558.70/x
  3. Step 3: Cross multiply
    1,214,458.90x = 1,821,907.05 × 504,558.70
  4. Step 4: Simplify right side
    1,214,458.90x = 919,259,052,668.84
  5. Step 5: Solve for x
    x = 919,259,052,668.84/1,214,458.90
  6. Step 6: Final answer
    x = 756,928.91

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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.