Home / 1,228,625.78-1,843,769.04-429,914.24

Finding the Fourth Proportional to 1,228,625.78, 1,843,769.04 and 429,914.24

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Solution

The fourth proportional to 1,228,625.78, 1,843,769.04 and 429,914.24 is: 645,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,625.78 : 1,843,769.04 = 429,914.24 : x
  2. Step 2: Convert to fraction form
    1,228,625.78/1,843,769.04 = 429,914.24/x
  3. Step 3: Cross multiply
    1,228,625.78x = 1,843,769.04 × 429,914.24
  4. Step 4: Simplify right side
    1,228,625.78x = 792,662,561,650.24
  5. Step 5: Solve for x
    x = 792,662,561,650.24/1,228,625.78
  6. Step 6: Final answer
    x = 645,161.92

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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.