Home / 1,687,691.10-2,329,009.80-923,737.98

Finding the Fourth Proportional to 1,687,691.10, 2,329,009.80 and 923,737.98

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Solution

The fourth proportional to 1,687,691.10, 2,329,009.80 and 923,737.98 is: 1,274,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,691.10 : 2,329,009.80 = 923,737.98 : x
  2. Step 2: Convert to fraction form
    1,687,691.10/2,329,009.80 = 923,737.98/x
  3. Step 3: Cross multiply
    1,687,691.10x = 2,329,009.80 × 923,737.98
  4. Step 4: Simplify right side
    1,687,691.10x = 2,151,394,808,052.20
  5. Step 5: Solve for x
    x = 2,151,394,808,052.20/1,687,691.10
  6. Step 6: Final answer
    x = 1,274,756.27

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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.