Home / 1,538,890.98-2,308,375.92-729,085.80

Finding the Fourth Proportional to 1,538,890.98, 2,308,375.92 and 729,085.80

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Solution

The fourth proportional to 1,538,890.98, 2,308,375.92 and 729,085.80 is: 1,093,647.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,890.98 : 2,308,375.92 = 729,085.80 : x
  2. Step 2: Convert to fraction form
    1,538,890.98/2,308,375.92 = 729,085.80/x
  3. Step 3: Cross multiply
    1,538,890.98x = 2,308,375.92 × 729,085.80
  4. Step 4: Simplify right side
    1,538,890.98x = 1,683,004,104,333.94
  5. Step 5: Solve for x
    x = 1,683,004,104,333.94/1,538,890.98
  6. Step 6: Final answer
    x = 1,093,647.39

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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.