Home / 1,687,056.51-2,328,137.73-923,109.87

Finding the Fourth Proportional to 1,687,056.51, 2,328,137.73 and 923,109.87

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Solution

The fourth proportional to 1,687,056.51, 2,328,137.73 and 923,109.87 is: 1,273,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,056.51 : 2,328,137.73 = 923,109.87 : x
  2. Step 2: Convert to fraction form
    1,687,056.51/2,328,137.73 = 923,109.87/x
  3. Step 3: Cross multiply
    1,687,056.51x = 2,328,137.73 × 923,109.87
  4. Step 4: Simplify right side
    1,687,056.51x = 2,149,126,917,282.40
  5. Step 5: Solve for x
    x = 2,149,126,917,282.40/1,687,056.51
  6. Step 6: Final answer
    x = 1,273,891.48

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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.