Home / 1,018,299.38-1,527,645.77-387,164.12

Finding the Fourth Proportional to 1,018,299.38, 1,527,645.77 and 387,164.12

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Solution

The fourth proportional to 1,018,299.38, 1,527,645.77 and 387,164.12 is: 580,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,299.38 : 1,527,645.77 = 387,164.12 : x
  2. Step 2: Convert to fraction form
    1,018,299.38/1,527,645.77 = 387,164.12/x
  3. Step 3: Cross multiply
    1,018,299.38x = 1,527,645.77 × 387,164.12
  4. Step 4: Simplify right side
    1,018,299.38x = 591,449,635,458.49
  5. Step 5: Solve for x
    x = 591,449,635,458.49/1,018,299.38
  6. Step 6: Final answer
    x = 580,820.97

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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.