Home / 1,147,514.28-1,721,227.32-306,058.68

Finding the Fourth Proportional to 1,147,514.28, 1,721,227.32 and 306,058.68

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Solution

The fourth proportional to 1,147,514.28, 1,721,227.32 and 306,058.68 is: 459,076.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,514.28 : 1,721,227.32 = 306,058.68 : x
  2. Step 2: Convert to fraction form
    1,147,514.28/1,721,227.32 = 306,058.68/x
  3. Step 3: Cross multiply
    1,147,514.28x = 1,721,227.32 × 306,058.68
  4. Step 4: Simplify right side
    1,147,514.28x = 526,796,561,539.14
  5. Step 5: Solve for x
    x = 526,796,561,539.14/1,147,514.28
  6. Step 6: Final answer
    x = 459,076.26

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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.