Home / 1,131,309.69-1,696,519.84-411,480.51

Finding the Fourth Proportional to 1,131,309.69, 1,696,519.84 and 411,480.51

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Solution

The fourth proportional to 1,131,309.69, 1,696,519.84 and 411,480.51 is: 617,059.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,309.69 : 1,696,519.84 = 411,480.51 : x
  2. Step 2: Convert to fraction form
    1,131,309.69/1,696,519.84 = 411,480.51/x
  3. Step 3: Cross multiply
    1,131,309.69x = 1,696,519.84 × 411,480.51
  4. Step 4: Simplify right side
    1,131,309.69x = 698,084,848,988.32
  5. Step 5: Solve for x
    x = 698,084,848,988.32/1,131,309.69
  6. Step 6: Final answer
    x = 617,059.02

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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.