Home / 1,248,489.09-1,872,721.76-395,558.37

Finding the Fourth Proportional to 1,248,489.09, 1,872,721.76 and 395,558.37

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Solution

The fourth proportional to 1,248,489.09, 1,872,721.76 and 395,558.37 is: 593,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,489.09 : 1,872,721.76 = 395,558.37 : x
  2. Step 2: Convert to fraction form
    1,248,489.09/1,872,721.76 = 395,558.37/x
  3. Step 3: Cross multiply
    1,248,489.09x = 1,872,721.76 × 395,558.37
  4. Step 4: Simplify right side
    1,248,489.09x = 740,770,764,871.34
  5. Step 5: Solve for x
    x = 740,770,764,871.34/1,248,489.09
  6. Step 6: Final answer
    x = 593,333.79

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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.