Home / 1,290,433.02-1,935,523.77-391,882.54

Finding the Fourth Proportional to 1,290,433.02, 1,935,523.77 and 391,882.54

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Solution

The fourth proportional to 1,290,433.02, 1,935,523.77 and 391,882.54 is: 587,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,433.02 : 1,935,523.77 = 391,882.54 : x
  2. Step 2: Convert to fraction form
    1,290,433.02/1,935,523.77 = 391,882.54/x
  3. Step 3: Cross multiply
    1,290,433.02x = 1,935,523.77 × 391,882.54
  4. Step 4: Simplify right side
    1,290,433.02x = 758,497,961,540.36
  5. Step 5: Solve for x
    x = 758,497,961,540.36/1,290,433.02
  6. Step 6: Final answer
    x = 587,785.61

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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.