Home / 1,105,747.05-1,658,619.20-347,654.72

Finding the Fourth Proportional to 1,105,747.05, 1,658,619.20 and 347,654.72

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Solution

The fourth proportional to 1,105,747.05, 1,658,619.20 and 347,654.72 is: 521,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,747.05 : 1,658,619.20 = 347,654.72 : x
  2. Step 2: Convert to fraction form
    1,105,747.05/1,658,619.20 = 347,654.72/x
  3. Step 3: Cross multiply
    1,105,747.05x = 1,658,619.20 × 347,654.72
  4. Step 4: Simplify right side
    1,105,747.05x = 576,626,783,531.26
  5. Step 5: Solve for x
    x = 576,626,783,531.26/1,105,747.05
  6. Step 6: Final answer
    x = 521,481.64

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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.