Home / 788,986.20-1,183,479.30-728,160.60

Finding the Fourth Proportional to 788,986.20, 1,183,479.30 and 728,160.60

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Solution

The fourth proportional to 788,986.20, 1,183,479.30 and 728,160.60 is: 1,092,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,986.20 : 1,183,479.30 = 728,160.60 : x
  2. Step 2: Convert to fraction form
    788,986.20/1,183,479.30 = 728,160.60/x
  3. Step 3: Cross multiply
    788,986.20x = 1,183,479.30 × 728,160.60
  4. Step 4: Simplify right side
    788,986.20x = 861,762,997,175.58
  5. Step 5: Solve for x
    x = 861,762,997,175.58/788,986.20
  6. Step 6: Final answer
    x = 1,092,240.90

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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.