Home / 1,690,662.27-2,536,825.05-791,948.64

Finding the Fourth Proportional to 1,690,662.27, 2,536,825.05 and 791,948.64

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Solution

The fourth proportional to 1,690,662.27, 2,536,825.05 and 791,948.64 is: 1,188,312.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,662.27 : 2,536,825.05 = 791,948.64 : x
  2. Step 2: Convert to fraction form
    1,690,662.27/2,536,825.05 = 791,948.64/x
  3. Step 3: Cross multiply
    1,690,662.27x = 2,536,825.05 × 791,948.64
  4. Step 4: Simplify right side
    1,690,662.27x = 2,009,035,148,265.43
  5. Step 5: Solve for x
    x = 2,009,035,148,265.43/1,690,662.27
  6. Step 6: Final answer
    x = 1,188,312.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.