Home / 1,099,238.52-1,648,861.50-389,287.26

Finding the Fourth Proportional to 1,099,238.52, 1,648,861.50 and 389,287.26

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Solution

The fourth proportional to 1,099,238.52, 1,648,861.50 and 389,287.26 is: 583,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,238.52 : 1,648,861.50 = 389,287.26 : x
  2. Step 2: Convert to fraction form
    1,099,238.52/1,648,861.50 = 389,287.26/x
  3. Step 3: Cross multiply
    1,099,238.52x = 1,648,861.50 × 389,287.26
  4. Step 4: Simplify right side
    1,099,238.52x = 641,880,775,454.49
  5. Step 5: Solve for x
    x = 641,880,775,454.49/1,099,238.52
  6. Step 6: Final answer
    x = 583,932.21

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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.