Home / 1,072,898.82-1,609,350.39-399,127.86

Finding the Fourth Proportional to 1,072,898.82, 1,609,350.39 and 399,127.86

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Solution

The fourth proportional to 1,072,898.82, 1,609,350.39 and 399,127.86 is: 598,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,898.82 : 1,609,350.39 = 399,127.86 : x
  2. Step 2: Convert to fraction form
    1,072,898.82/1,609,350.39 = 399,127.86/x
  3. Step 3: Cross multiply
    1,072,898.82x = 1,609,350.39 × 399,127.86
  4. Step 4: Simplify right side
    1,072,898.82x = 642,336,577,150.87
  5. Step 5: Solve for x
    x = 642,336,577,150.87/1,072,898.82
  6. Step 6: Final answer
    x = 598,692.59

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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.