Home / 1,147,044.31-1,582,961.80-630,838.13

Finding the Fourth Proportional to 1,147,044.31, 1,582,961.80 and 630,838.13

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Solution

The fourth proportional to 1,147,044.31, 1,582,961.80 and 630,838.13 is: 870,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,044.31 : 1,582,961.80 = 630,838.13 : x
  2. Step 2: Convert to fraction form
    1,147,044.31/1,582,961.80 = 630,838.13/x
  3. Step 3: Cross multiply
    1,147,044.31x = 1,582,961.80 × 630,838.13
  4. Step 4: Simplify right side
    1,147,044.31x = 998,592,661,773.43
  5. Step 5: Solve for x
    x = 998,592,661,773.43/1,147,044.31
  6. Step 6: Final answer
    x = 870,578.98

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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.