Home / 1,147,137.82-1,583,016.70-630,891.18

Finding the Fourth Proportional to 1,147,137.82, 1,583,016.70 and 630,891.18

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Solution

The fourth proportional to 1,147,137.82, 1,583,016.70 and 630,891.18 is: 870,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,137.82 : 1,583,016.70 = 630,891.18 : x
  2. Step 2: Convert to fraction form
    1,147,137.82/1,583,016.70 = 630,891.18/x
  3. Step 3: Cross multiply
    1,147,137.82x = 1,583,016.70 × 630,891.18
  4. Step 4: Simplify right side
    1,147,137.82x = 998,711,273,822.71
  5. Step 5: Solve for x
    x = 998,711,273,822.71/1,147,137.82
  6. Step 6: Final answer
    x = 870,611.41

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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.