Home / 1,376,994.97-1,900,215.29-765,132.02

Finding the Fourth Proportional to 1,376,994.97, 1,900,215.29 and 765,132.02

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Solution

The fourth proportional to 1,376,994.97, 1,900,215.29 and 765,132.02 is: 1,055,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,994.97 : 1,900,215.29 = 765,132.02 : x
  2. Step 2: Convert to fraction form
    1,376,994.97/1,900,215.29 = 765,132.02/x
  3. Step 3: Cross multiply
    1,376,994.97x = 1,900,215.29 × 765,132.02
  4. Step 4: Simplify right side
    1,376,994.97x = 1,453,915,557,071.66
  5. Step 5: Solve for x
    x = 1,453,915,557,071.66/1,376,994.97
  6. Step 6: Final answer
    x = 1,055,861.20

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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.