Home / 816,003.60-1,224,005.40-728,912.40

Finding the Fourth Proportional to 816,003.60, 1,224,005.40 and 728,912.40

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Solution

The fourth proportional to 816,003.60, 1,224,005.40 and 728,912.40 is: 1,093,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,003.60 : 1,224,005.40 = 728,912.40 : x
  2. Step 2: Convert to fraction form
    816,003.60/1,224,005.40 = 728,912.40/x
  3. Step 3: Cross multiply
    816,003.60x = 1,224,005.40 × 728,912.40
  4. Step 4: Simplify right side
    816,003.60x = 892,192,713,726.96
  5. Step 5: Solve for x
    x = 892,192,713,726.96/816,003.60
  6. Step 6: Final answer
    x = 1,093,368.60

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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.