Home / 1,138,469.40-1,707,704.10-659,516.40

Finding the Fourth Proportional to 1,138,469.40, 1,707,704.10 and 659,516.40

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Solution

The fourth proportional to 1,138,469.40, 1,707,704.10 and 659,516.40 is: 989,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,469.40 : 1,707,704.10 = 659,516.40 : x
  2. Step 2: Convert to fraction form
    1,138,469.40/1,707,704.10 = 659,516.40/x
  3. Step 3: Cross multiply
    1,138,469.40x = 1,707,704.10 × 659,516.40
  4. Step 4: Simplify right side
    1,138,469.40x = 1,126,258,860,297.24
  5. Step 5: Solve for x
    x = 1,126,258,860,297.24/1,138,469.40
  6. Step 6: Final answer
    x = 989,274.60

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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.