Home / 829,042.40-1,243,563.60-810,610.40

Finding the Fourth Proportional to 829,042.40, 1,243,563.60 and 810,610.40

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Solution

The fourth proportional to 829,042.40, 1,243,563.60 and 810,610.40 is: 1,215,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,042.40 : 1,243,563.60 = 810,610.40 : x
  2. Step 2: Convert to fraction form
    829,042.40/1,243,563.60 = 810,610.40/x
  3. Step 3: Cross multiply
    829,042.40x = 1,243,563.60 × 810,610.40
  4. Step 4: Simplify right side
    829,042.40x = 1,008,045,587,221.44
  5. Step 5: Solve for x
    x = 1,008,045,587,221.44/829,042.40
  6. Step 6: Final answer
    x = 1,215,915.60

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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.