Home / 1,179,876.45-1,769,815.68-505,520.47

Finding the Fourth Proportional to 1,179,876.45, 1,769,815.68 and 505,520.47

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Solution

The fourth proportional to 1,179,876.45, 1,769,815.68 and 505,520.47 is: 758,281.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,876.45 : 1,769,815.68 = 505,520.47 : x
  2. Step 2: Convert to fraction form
    1,179,876.45/1,769,815.68 = 505,520.47/x
  3. Step 3: Cross multiply
    1,179,876.45x = 1,769,815.68 × 505,520.47
  4. Step 4: Simplify right side
    1,179,876.45x = 894,678,054,366.97
  5. Step 5: Solve for x
    x = 894,678,054,366.97/1,179,876.45
  6. Step 6: Final answer
    x = 758,281.14

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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.