Home / 1,214,459.90-1,821,908.55-504,559.70

Finding the Fourth Proportional to 1,214,459.90, 1,821,908.55 and 504,559.70

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Solution

The fourth proportional to 1,214,459.90, 1,821,908.55 and 504,559.70 is: 756,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,459.90 : 1,821,908.55 = 504,559.70 : x
  2. Step 2: Convert to fraction form
    1,214,459.90/1,821,908.55 = 504,559.70/x
  3. Step 3: Cross multiply
    1,214,459.90x = 1,821,908.55 × 504,559.70
  4. Step 4: Simplify right side
    1,214,459.90x = 919,261,631,415.44
  5. Step 5: Solve for x
    x = 919,261,631,415.44/1,214,459.90
  6. Step 6: Final answer
    x = 756,930.41

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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.