Home / 1,376,940.80-2,063,934.57-665,990.84

Finding the Fourth Proportional to 1,376,940.80, 2,063,934.57 and 665,990.84

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Solution

The fourth proportional to 1,376,940.80, 2,063,934.57 and 665,990.84 is: 998,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,940.80 : 2,063,934.57 = 665,990.84 : x
  2. Step 2: Convert to fraction form
    1,376,940.80/2,063,934.57 = 665,990.84/x
  3. Step 3: Cross multiply
    1,376,940.80x = 2,063,934.57 × 665,990.84
  4. Step 4: Simplify right side
    1,376,940.80x = 1,374,561,525,636.64
  5. Step 5: Solve for x
    x = 1,374,561,525,636.64/1,376,940.80
  6. Step 6: Final answer
    x = 998,272.06

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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.