Home / 1,149,285.52-1,722,745.40-509,890.36

Finding the Fourth Proportional to 1,149,285.52, 1,722,745.40 and 509,890.36

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Solution

The fourth proportional to 1,149,285.52, 1,722,745.40 and 509,890.36 is: 764,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,285.52 : 1,722,745.40 = 509,890.36 : x
  2. Step 2: Convert to fraction form
    1,149,285.52/1,722,745.40 = 509,890.36/x
  3. Step 3: Cross multiply
    1,149,285.52x = 1,722,745.40 × 509,890.36
  4. Step 4: Simplify right side
    1,149,285.52x = 878,411,272,194.34
  5. Step 5: Solve for x
    x = 878,411,272,194.34/1,149,285.52
  6. Step 6: Final answer
    x = 764,310.75

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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.