Home / 1,245,929.23-1,868,999.21-347,371.73

Finding the Fourth Proportional to 1,245,929.23, 1,868,999.21 and 347,371.73

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Solution

The fourth proportional to 1,245,929.23, 1,868,999.21 and 347,371.73 is: 521,086.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,929.23 : 1,868,999.21 = 347,371.73 : x
  2. Step 2: Convert to fraction form
    1,245,929.23/1,868,999.21 = 347,371.73/x
  3. Step 3: Cross multiply
    1,245,929.23x = 1,868,999.21 × 347,371.73
  4. Step 4: Simplify right side
    1,245,929.23x = 649,237,488,946.33
  5. Step 5: Solve for x
    x = 649,237,488,946.33/1,245,929.23
  6. Step 6: Final answer
    x = 521,086.97

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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.