Home / 1,090,529.71-1,503,951.31-682,668.74

Finding the Fourth Proportional to 1,090,529.71, 1,503,951.31 and 682,668.74

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Solution

The fourth proportional to 1,090,529.71, 1,503,951.31 and 682,668.74 is: 941,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,529.71 : 1,503,951.31 = 682,668.74 : x
  2. Step 2: Convert to fraction form
    1,090,529.71/1,503,951.31 = 682,668.74/x
  3. Step 3: Cross multiply
    1,090,529.71x = 1,503,951.31 × 682,668.74
  4. Step 4: Simplify right side
    1,090,529.71x = 1,026,700,545,819.05
  5. Step 5: Solve for x
    x = 1,026,700,545,819.05/1,090,529.71
  6. Step 6: Final answer
    x = 941,469.58

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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.