Home / 1,285,881.46-1,929,196.72-575,743.43

Finding the Fourth Proportional to 1,285,881.46, 1,929,196.72 and 575,743.43

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Solution

The fourth proportional to 1,285,881.46, 1,929,196.72 and 575,743.43 is: 863,782.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,881.46 : 1,929,196.72 = 575,743.43 : x
  2. Step 2: Convert to fraction form
    1,285,881.46/1,929,196.72 = 575,743.43/x
  3. Step 3: Cross multiply
    1,285,881.46x = 1,929,196.72 × 575,743.43
  4. Step 4: Simplify right side
    1,285,881.46x = 1,110,722,324,192.85
  5. Step 5: Solve for x
    x = 1,110,722,324,192.85/1,285,881.46
  6. Step 6: Final answer
    x = 863,782.83

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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.