Home / 1,689,179.82-2,331,300.12-1,035,690.30

Finding the Fourth Proportional to 1,689,179.82, 2,331,300.12 and 1,035,690.30

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Solution

The fourth proportional to 1,689,179.82, 2,331,300.12 and 1,035,690.30 is: 1,429,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,179.82 : 2,331,300.12 = 1,035,690.30 : x
  2. Step 2: Convert to fraction form
    1,689,179.82/2,331,300.12 = 1,035,690.30/x
  3. Step 3: Cross multiply
    1,689,179.82x = 2,331,300.12 × 1,035,690.30
  4. Step 4: Simplify right side
    1,689,179.82x = 2,414,504,920,672.84
  5. Step 5: Solve for x
    x = 2,414,504,920,672.84/1,689,179.82
  6. Step 6: Final answer
    x = 1,429,394.84

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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.