Home / 1,213,846.88-1,820,857.79-465,892.88

Finding the Fourth Proportional to 1,213,846.88, 1,820,857.79 and 465,892.88

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Solution

The fourth proportional to 1,213,846.88, 1,820,857.79 and 465,892.88 is: 698,872.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,846.88 : 1,820,857.79 = 465,892.88 : x
  2. Step 2: Convert to fraction form
    1,213,846.88/1,820,857.79 = 465,892.88/x
  3. Step 3: Cross multiply
    1,213,846.88x = 1,820,857.79 × 465,892.88
  4. Step 4: Simplify right side
    1,213,846.88x = 848,324,671,913.98
  5. Step 5: Solve for x
    x = 848,324,671,913.98/1,213,846.88
  6. Step 6: Final answer
    x = 698,872.89

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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.