Home / 1,115,962.92-1,672,961.45-442,517.58

Finding the Fourth Proportional to 1,115,962.92, 1,672,961.45 and 442,517.58

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Solution

The fourth proportional to 1,115,962.92, 1,672,961.45 and 442,517.58 is: 663,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,962.92 : 1,672,961.45 = 442,517.58 : x
  2. Step 2: Convert to fraction form
    1,115,962.92/1,672,961.45 = 442,517.58/x
  3. Step 3: Cross multiply
    1,115,962.92x = 1,672,961.45 × 442,517.58
  4. Step 4: Simplify right side
    1,115,962.92x = 740,314,850,074.70
  5. Step 5: Solve for x
    x = 740,314,850,074.70/1,115,962.92
  6. Step 6: Final answer
    x = 663,386.60

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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.