Home / 1,085,645.82-1,628,479.26-411,546

Finding the Fourth Proportional to 1,085,645.82, 1,628,479.26 and 411,546

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Solution

The fourth proportional to 1,085,645.82, 1,628,479.26 and 411,546 is: 617,322.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,645.82 : 1,628,479.26 = 411,546 : x
  2. Step 2: Convert to fraction form
    1,085,645.82/1,628,479.26 = 411,546/x
  3. Step 3: Cross multiply
    1,085,645.82x = 1,628,479.26 × 411,546
  4. Step 4: Simplify right side
    1,085,645.82x = 670,194,125,535.96
  5. Step 5: Solve for x
    x = 670,194,125,535.96/1,085,645.82
  6. Step 6: Final answer
    x = 617,322.99

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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.