Home / 1,029,229.25-1,543,992.71-389,359.44

Finding the Fourth Proportional to 1,029,229.25, 1,543,992.71 and 389,359.44

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Solution

The fourth proportional to 1,029,229.25, 1,543,992.71 and 389,359.44 is: 584,095.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,229.25 : 1,543,992.71 = 389,359.44 : x
  2. Step 2: Convert to fraction form
    1,029,229.25/1,543,992.71 = 389,359.44/x
  3. Step 3: Cross multiply
    1,029,229.25x = 1,543,992.71 × 389,359.44
  4. Step 4: Simplify right side
    1,029,229.25x = 601,168,134,982.89
  5. Step 5: Solve for x
    x = 601,168,134,982.89/1,029,229.25
  6. Step 6: Final answer
    x = 584,095.47

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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.