Home / 1,659,404.78-2,489,103.70-522,266.36

Finding the Fourth Proportional to 1,659,404.78, 2,489,103.70 and 522,266.36

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Solution

The fourth proportional to 1,659,404.78, 2,489,103.70 and 522,266.36 is: 783,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,404.78 : 2,489,103.70 = 522,266.36 : x
  2. Step 2: Convert to fraction form
    1,659,404.78/2,489,103.70 = 522,266.36/x
  3. Step 3: Cross multiply
    1,659,404.78x = 2,489,103.70 × 522,266.36
  4. Step 4: Simplify right side
    1,659,404.78x = 1,299,975,123,779.83
  5. Step 5: Solve for x
    x = 1,299,975,123,779.83/1,659,404.78
  6. Step 6: Final answer
    x = 783,398.45

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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.