Home / 1,278,136.32-1,771,284.48-1,260,096

Finding the Fourth Proportional to 1,278,136.32, 1,771,284.48 and 1,260,096

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Solution

The fourth proportional to 1,278,136.32, 1,771,284.48 and 1,260,096 is: 1,746,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,136.32 : 1,771,284.48 = 1,260,096 : x
  2. Step 2: Convert to fraction form
    1,278,136.32/1,771,284.48 = 1,260,096/x
  3. Step 3: Cross multiply
    1,278,136.32x = 1,771,284.48 × 1,260,096
  4. Step 4: Simplify right side
    1,278,136.32x = 2,231,988,488,110.08
  5. Step 5: Solve for x
    x = 2,231,988,488,110.08/1,278,136.32
  6. Step 6: Final answer
    x = 1,746,283.60

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.