Home / 976,738.40-1,465,107.60-819,274.40

Finding the Fourth Proportional to 976,738.40, 1,465,107.60 and 819,274.40

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Solution

The fourth proportional to 976,738.40, 1,465,107.60 and 819,274.40 is: 1,228,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,738.40 : 1,465,107.60 = 819,274.40 : x
  2. Step 2: Convert to fraction form
    976,738.40/1,465,107.60 = 819,274.40/x
  3. Step 3: Cross multiply
    976,738.40x = 1,465,107.60 × 819,274.40
  4. Step 4: Simplify right side
    976,738.40x = 1,200,325,149,925.44
  5. Step 5: Solve for x
    x = 1,200,325,149,925.44/976,738.40
  6. Step 6: Final answer
    x = 1,228,911.60

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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.