Home / 1,138,828.92-1,571,522.24-629,498.52

Finding the Fourth Proportional to 1,138,828.92, 1,571,522.24 and 629,498.52

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Solution

The fourth proportional to 1,138,828.92, 1,571,522.24 and 629,498.52 is: 868,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,828.92 : 1,571,522.24 = 629,498.52 : x
  2. Step 2: Convert to fraction form
    1,138,828.92/1,571,522.24 = 629,498.52/x
  3. Step 3: Cross multiply
    1,138,828.92x = 1,571,522.24 × 629,498.52
  4. Step 4: Simplify right side
    1,138,828.92x = 989,270,924,227.09
  5. Step 5: Solve for x
    x = 989,270,924,227.09/1,138,828.92
  6. Step 6: Final answer
    x = 868,673.87

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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.