Home / 1,397,321.10-2,095,981.65-1,245,105.90

Finding the Fourth Proportional to 1,397,321.10, 2,095,981.65 and 1,245,105.90

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Solution

The fourth proportional to 1,397,321.10, 2,095,981.65 and 1,245,105.90 is: 1,867,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,321.10 : 2,095,981.65 = 1,245,105.90 : x
  2. Step 2: Convert to fraction form
    1,397,321.10/2,095,981.65 = 1,245,105.90/x
  3. Step 3: Cross multiply
    1,397,321.10x = 2,095,981.65 × 1,245,105.90
  4. Step 4: Simplify right side
    1,397,321.10x = 2,609,719,118,706.74
  5. Step 5: Solve for x
    x = 2,609,719,118,706.74/1,397,321.10
  6. Step 6: Final answer
    x = 1,867,658.85

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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.