Home / 1,209,960.35-1,669,694.13-658,664.58

Finding the Fourth Proportional to 1,209,960.35, 1,669,694.13 and 658,664.58

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Solution

The fourth proportional to 1,209,960.35, 1,669,694.13 and 658,664.58 is: 908,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,960.35 : 1,669,694.13 = 658,664.58 : x
  2. Step 2: Convert to fraction form
    1,209,960.35/1,669,694.13 = 658,664.58/x
  3. Step 3: Cross multiply
    1,209,960.35x = 1,669,694.13 × 658,664.58
  4. Step 4: Simplify right side
    1,209,960.35x = 1,099,768,382,864.92
  5. Step 5: Solve for x
    x = 1,099,768,382,864.92/1,209,960.35
  6. Step 6: Final answer
    x = 908,929.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.