Home / 1,188,922.60-1,640,676.90-849,958.12

Finding the Fourth Proportional to 1,188,922.60, 1,640,676.90 and 849,958.12

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Solution

The fourth proportional to 1,188,922.60, 1,640,676.90 and 849,958.12 is: 1,172,916.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,922.60 : 1,640,676.90 = 849,958.12 : x
  2. Step 2: Convert to fraction form
    1,188,922.60/1,640,676.90 = 849,958.12/x
  3. Step 3: Cross multiply
    1,188,922.60x = 1,640,676.90 × 849,958.12
  4. Step 4: Simplify right side
    1,188,922.60x = 1,394,506,653,451.43
  5. Step 5: Solve for x
    x = 1,394,506,653,451.43/1,188,922.60
  6. Step 6: Final answer
    x = 1,172,916.26

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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.