Home / 1,027,645.25-1,541,615.57-317,728.64

Finding the Fourth Proportional to 1,027,645.25, 1,541,615.57 and 317,728.64

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Solution

The fourth proportional to 1,027,645.25, 1,541,615.57 and 317,728.64 is: 476,638.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,645.25 : 1,541,615.57 = 317,728.64 : x
  2. Step 2: Convert to fraction form
    1,027,645.25/1,541,615.57 = 317,728.64/x
  3. Step 3: Cross multiply
    1,027,645.25x = 1,541,615.57 × 317,728.64
  4. Step 4: Simplify right side
    1,027,645.25x = 489,815,409,162.20
  5. Step 5: Solve for x
    x = 489,815,409,162.20/1,027,645.25
  6. Step 6: Final answer
    x = 476,638.62

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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.