Home / 1,147,043.82-1,582,961.12-630,837.63

Finding the Fourth Proportional to 1,147,043.82, 1,582,961.12 and 630,837.63

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Solution

The fourth proportional to 1,147,043.82, 1,582,961.12 and 630,837.63 is: 870,578.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,043.82 : 1,582,961.12 = 630,837.63 : x
  2. Step 2: Convert to fraction form
    1,147,043.82/1,582,961.12 = 630,837.63/x
  3. Step 3: Cross multiply
    1,147,043.82x = 1,582,961.12 × 630,837.63
  4. Step 4: Simplify right side
    1,147,043.82x = 998,591,438,168.76
  5. Step 5: Solve for x
    x = 998,591,438,168.76/1,147,043.82
  6. Step 6: Final answer
    x = 870,578.29

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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.