Home / 1,237,982.52-1,856,849.35-339,514.59

Finding the Fourth Proportional to 1,237,982.52, 1,856,849.35 and 339,514.59

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Solution

The fourth proportional to 1,237,982.52, 1,856,849.35 and 339,514.59 is: 509,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,982.52 : 1,856,849.35 = 339,514.59 : x
  2. Step 2: Convert to fraction form
    1,237,982.52/1,856,849.35 = 339,514.59/x
  3. Step 3: Cross multiply
    1,237,982.52x = 1,856,849.35 × 339,514.59
  4. Step 4: Simplify right side
    1,237,982.52x = 630,427,445,757.02
  5. Step 5: Solve for x
    x = 630,427,445,757.02/1,237,982.52
  6. Step 6: Final answer
    x = 509,237.76

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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.