Home / 1,687,043.63-2,328,120.21-923,097.20

Finding the Fourth Proportional to 1,687,043.63, 2,328,120.21 and 923,097.20

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Solution

The fourth proportional to 1,687,043.63, 2,328,120.21 and 923,097.20 is: 1,273,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,043.63 : 2,328,120.21 = 923,097.20 : x
  2. Step 2: Convert to fraction form
    1,687,043.63/2,328,120.21 = 923,097.20/x
  3. Step 3: Cross multiply
    1,687,043.63x = 2,328,120.21 × 923,097.20
  4. Step 4: Simplify right side
    1,687,043.63x = 2,149,081,235,473.81
  5. Step 5: Solve for x
    x = 2,149,081,235,473.81/1,687,043.63
  6. Step 6: Final answer
    x = 1,273,874.13

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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.