Home / 1,237,997.82-1,856,953.00-339,425.13

Finding the Fourth Proportional to 1,237,997.82, 1,856,953.00 and 339,425.13

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Solution

The fourth proportional to 1,237,997.82, 1,856,953.00 and 339,425.13 is: 509,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,997.82 : 1,856,953.00 = 339,425.13 : x
  2. Step 2: Convert to fraction form
    1,237,997.82/1,856,953.00 = 339,425.13/x
  3. Step 3: Cross multiply
    1,237,997.82x = 1,856,953.00 × 339,425.13
  4. Step 4: Simplify right side
    1,237,997.82x = 630,296,518,907.48
  5. Step 5: Solve for x
    x = 630,296,518,907.48/1,237,997.82
  6. Step 6: Final answer
    x = 509,125.71

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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.