Home / 1,689,321.42-2,331,310.82-1,027,032.21

Finding the Fourth Proportional to 1,689,321.42, 2,331,310.82 and 1,027,032.21

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Solution

The fourth proportional to 1,689,321.42, 2,331,310.82 and 1,027,032.21 is: 1,417,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,321.42 : 2,331,310.82 = 1,027,032.21 : x
  2. Step 2: Convert to fraction form
    1,689,321.42/2,331,310.82 = 1,027,032.21/x
  3. Step 3: Cross multiply
    1,689,321.42x = 2,331,310.82 × 1,027,032.21
  4. Step 4: Simplify right side
    1,689,321.42x = 2,394,331,298,526.35
  5. Step 5: Solve for x
    x = 2,394,331,298,526.35/1,689,321.42
  6. Step 6: Final answer
    x = 1,417,333.18

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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.