Home / 1,179,126.59-1,769,063.69-420,951.29

Finding the Fourth Proportional to 1,179,126.59, 1,769,063.69 and 420,951.29

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Solution

The fourth proportional to 1,179,126.59, 1,769,063.69 and 420,951.29 is: 631,560.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,126.59 : 1,769,063.69 = 420,951.29 : x
  2. Step 2: Convert to fraction form
    1,179,126.59/1,769,063.69 = 420,951.29/x
  3. Step 3: Cross multiply
    1,179,126.59x = 1,769,063.69 × 420,951.29
  4. Step 4: Simplify right side
    1,179,126.59x = 744,689,634,604.72
  5. Step 5: Solve for x
    x = 744,689,634,604.72/1,179,126.59
  6. Step 6: Final answer
    x = 631,560.38

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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.