Home / 1,687,767.55-2,329,178.43-923,821.72

Finding the Fourth Proportional to 1,687,767.55, 2,329,178.43 and 923,821.72

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Solution

The fourth proportional to 1,687,767.55, 2,329,178.43 and 923,821.72 is: 1,274,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,767.55 : 2,329,178.43 = 923,821.72 : x
  2. Step 2: Convert to fraction form
    1,687,767.55/2,329,178.43 = 923,821.72/x
  3. Step 3: Cross multiply
    1,687,767.55x = 2,329,178.43 × 923,821.72
  4. Step 4: Simplify right side
    1,687,767.55x = 2,151,745,623,389.50
  5. Step 5: Solve for x
    x = 2,151,745,623,389.50/1,687,767.55
  6. Step 6: Final answer
    x = 1,274,906.38

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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.