Home / 1,171,743.52-1,757,878.88-413,638.88

Finding the Fourth Proportional to 1,171,743.52, 1,757,878.88 and 413,638.88

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Solution

The fourth proportional to 1,171,743.52, 1,757,878.88 and 413,638.88 is: 620,551.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,743.52 : 1,757,878.88 = 413,638.88 : x
  2. Step 2: Convert to fraction form
    1,171,743.52/1,757,878.88 = 413,638.88/x
  3. Step 3: Cross multiply
    1,171,743.52x = 1,757,878.88 × 413,638.88
  4. Step 4: Simplify right side
    1,171,743.52x = 727,127,051,098.85
  5. Step 5: Solve for x
    x = 727,127,051,098.85/1,171,743.52
  6. Step 6: Final answer
    x = 620,551.37

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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.