Home / 1,171,175.50-1,616,222.19-634,631.50

Finding the Fourth Proportional to 1,171,175.50, 1,616,222.19 and 634,631.50

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Solution

The fourth proportional to 1,171,175.50, 1,616,222.19 and 634,631.50 is: 875,791.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,175.50 : 1,616,222.19 = 634,631.50 : x
  2. Step 2: Convert to fraction form
    1,171,175.50/1,616,222.19 = 634,631.50/x
  3. Step 3: Cross multiply
    1,171,175.50x = 1,616,222.19 × 634,631.50
  4. Step 4: Simplify right side
    1,171,175.50x = 1,025,705,512,772.99
  5. Step 5: Solve for x
    x = 1,025,705,512,772.99/1,171,175.50
  6. Step 6: Final answer
    x = 875,791.47

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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.