Home / 1,313,339.06-1,970,008.96-316,067.06

Finding the Fourth Proportional to 1,313,339.06, 1,970,008.96 and 316,067.06

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Solution

The fourth proportional to 1,313,339.06, 1,970,008.96 and 316,067.06 is: 474,100.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,339.06 : 1,970,008.96 = 316,067.06 : x
  2. Step 2: Convert to fraction form
    1,313,339.06/1,970,008.96 = 316,067.06/x
  3. Step 3: Cross multiply
    1,313,339.06x = 1,970,008.96 × 316,067.06
  4. Step 4: Simplify right side
    1,313,339.06x = 622,654,940,160.86
  5. Step 5: Solve for x
    x = 622,654,940,160.86/1,313,339.06
  6. Step 6: Final answer
    x = 474,100.68

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1.5x scale

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.