Home / 1,188,148.56-1,782,689.40-522,834

Finding the Fourth Proportional to 1,188,148.56, 1,782,689.40 and 522,834

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Solution

The fourth proportional to 1,188,148.56, 1,782,689.40 and 522,834 is: 784,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,148.56 : 1,782,689.40 = 522,834 : x
  2. Step 2: Convert to fraction form
    1,188,148.56/1,782,689.40 = 522,834/x
  3. Step 3: Cross multiply
    1,188,148.56x = 1,782,689.40 × 522,834
  4. Step 4: Simplify right side
    1,188,148.56x = 932,050,629,759.60
  5. Step 5: Solve for x
    x = 932,050,629,759.60/1,188,148.56
  6. Step 6: Final answer
    x = 784,456.31

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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.