Home / 1,687,112.64-2,328,215.36-923,166.24

Finding the Fourth Proportional to 1,687,112.64, 2,328,215.36 and 923,166.24

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Solution

The fourth proportional to 1,687,112.64, 2,328,215.36 and 923,166.24 is: 1,273,969.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,112.64 : 2,328,215.36 = 923,166.24 : x
  2. Step 2: Convert to fraction form
    1,687,112.64/2,328,215.36 = 923,166.24/x
  3. Step 3: Cross multiply
    1,687,112.64x = 2,328,215.36 × 923,166.24
  4. Step 4: Simplify right side
    1,687,112.64x = 2,149,329,819,801.45
  5. Step 5: Solve for x
    x = 2,149,329,819,801.45/1,687,112.64
  6. Step 6: Final answer
    x = 1,273,969.37

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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.