Home / 829,092.40-1,243,638.60-810,660.40

Finding the Fourth Proportional to 829,092.40, 1,243,638.60 and 810,660.40

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Solution

The fourth proportional to 829,092.40, 1,243,638.60 and 810,660.40 is: 1,215,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,092.40 : 1,243,638.60 = 810,660.40 : x
  2. Step 2: Convert to fraction form
    829,092.40/1,243,638.60 = 810,660.40/x
  3. Step 3: Cross multiply
    829,092.40x = 1,243,638.60 × 810,660.40
  4. Step 4: Simplify right side
    829,092.40x = 1,008,168,564,931.44
  5. Step 5: Solve for x
    x = 1,008,168,564,931.44/829,092.40
  6. Step 6: Final answer
    x = 1,215,990.60

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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.