Home / 1,077,229.94-1,616,081.44-319,130.78

Finding the Fourth Proportional to 1,077,229.94, 1,616,081.44 and 319,130.78

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Solution

The fourth proportional to 1,077,229.94, 1,616,081.44 and 319,130.78 is: 478,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,229.94 : 1,616,081.44 = 319,130.78 : x
  2. Step 2: Convert to fraction form
    1,077,229.94/1,616,081.44 = 319,130.78/x
  3. Step 3: Cross multiply
    1,077,229.94x = 1,616,081.44 × 319,130.78
  4. Step 4: Simplify right side
    1,077,229.94x = 515,741,330,490.72
  5. Step 5: Solve for x
    x = 515,741,330,490.72/1,077,229.94
  6. Step 6: Final answer
    x = 478,766.24

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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.