Home / 1,687,714.62-2,329,068.06-923,751.78

Finding the Fourth Proportional to 1,687,714.62, 2,329,068.06 and 923,751.78

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Solution

The fourth proportional to 1,687,714.62, 2,329,068.06 and 923,751.78 is: 1,274,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,714.62 : 2,329,068.06 = 923,751.78 : x
  2. Step 2: Convert to fraction form
    1,687,714.62/2,329,068.06 = 923,751.78/x
  3. Step 3: Cross multiply
    1,687,714.62x = 2,329,068.06 × 923,751.78
  4. Step 4: Simplify right side
    1,687,714.62x = 2,151,480,766,166.15
  5. Step 5: Solve for x
    x = 2,151,480,766,166.15/1,687,714.62
  6. Step 6: Final answer
    x = 1,274,789.43

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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.