Home / 1,079,733.75-1,618,355.06-405,384.96

Finding the Fourth Proportional to 1,079,733.75, 1,618,355.06 and 405,384.96

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Solution

The fourth proportional to 1,079,733.75, 1,618,355.06 and 405,384.96 is: 607,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,733.75 : 1,618,355.06 = 405,384.96 : x
  2. Step 2: Convert to fraction form
    1,079,733.75/1,618,355.06 = 405,384.96/x
  3. Step 3: Cross multiply
    1,079,733.75x = 1,618,355.06 × 405,384.96
  4. Step 4: Simplify right side
    1,079,733.75x = 656,056,801,263.90
  5. Step 5: Solve for x
    x = 656,056,801,263.90/1,079,733.75
  6. Step 6: Final answer
    x = 607,609.79

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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.