Home / 1,025,939.82-1,538,836.83-315,893.82

Finding the Fourth Proportional to 1,025,939.82, 1,538,836.83 and 315,893.82

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Solution

The fourth proportional to 1,025,939.82, 1,538,836.83 and 315,893.82 is: 473,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,939.82 : 1,538,836.83 = 315,893.82 : x
  2. Step 2: Convert to fraction form
    1,025,939.82/1,538,836.83 = 315,893.82/x
  3. Step 3: Cross multiply
    1,025,939.82x = 1,538,836.83 × 315,893.82
  4. Step 4: Simplify right side
    1,025,939.82x = 486,109,044,585.39
  5. Step 5: Solve for x
    x = 486,109,044,585.39/1,025,939.82
  6. Step 6: Final answer
    x = 473,818.28

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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.