Home / 1,670,238.69-2,505,336.16-408,077.25

Finding the Fourth Proportional to 1,670,238.69, 2,505,336.16 and 408,077.25

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Solution

The fourth proportional to 1,670,238.69, 2,505,336.16 and 408,077.25 is: 612,110.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,238.69 : 2,505,336.16 = 408,077.25 : x
  2. Step 2: Convert to fraction form
    1,670,238.69/2,505,336.16 = 408,077.25/x
  3. Step 3: Cross multiply
    1,670,238.69x = 2,505,336.16 × 408,077.25
  4. Step 4: Simplify right side
    1,670,238.69x = 1,022,370,690,498.36
  5. Step 5: Solve for x
    x = 1,022,370,690,498.36/1,670,238.69
  6. Step 6: Final answer
    x = 612,110.53

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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.