Home / 1,397,608.38-1,929,909.51-1,325,863.44

Finding the Fourth Proportional to 1,397,608.38, 1,929,909.51 and 1,325,863.44

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Solution

The fourth proportional to 1,397,608.38, 1,929,909.51 and 1,325,863.44 is: 1,830,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,608.38 : 1,929,909.51 = 1,325,863.44 : x
  2. Step 2: Convert to fraction form
    1,397,608.38/1,929,909.51 = 1,325,863.44/x
  3. Step 3: Cross multiply
    1,397,608.38x = 1,929,909.51 × 1,325,863.44
  4. Step 4: Simplify right side
    1,397,608.38x = 2,558,796,461,817.31
  5. Step 5: Solve for x
    x = 2,558,796,461,817.31/1,397,608.38
  6. Step 6: Final answer
    x = 1,830,839.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.