Home / 1,413,109.88-1,950,072.78-768,516.20

Finding the Fourth Proportional to 1,413,109.88, 1,950,072.78 and 768,516.20

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Solution

The fourth proportional to 1,413,109.88, 1,950,072.78 and 768,516.20 is: 1,060,542.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,109.88 : 1,950,072.78 = 768,516.20 : x
  2. Step 2: Convert to fraction form
    1,413,109.88/1,950,072.78 = 768,516.20/x
  3. Step 3: Cross multiply
    1,413,109.88x = 1,950,072.78 × 768,516.20
  4. Step 4: Simplify right side
    1,413,109.88x = 1,498,662,522,609.04
  5. Step 5: Solve for x
    x = 1,498,662,522,609.04/1,413,109.88
  6. Step 6: Final answer
    x = 1,060,542.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.