Home / 1,376,986.60-1,900,135.14-773,257.96

Finding the Fourth Proportional to 1,376,986.60, 1,900,135.14 and 773,257.96

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Solution

The fourth proportional to 1,376,986.60, 1,900,135.14 and 773,257.96 is: 1,067,036.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,986.60 : 1,900,135.14 = 773,257.96 : x
  2. Step 2: Convert to fraction form
    1,376,986.60/1,900,135.14 = 773,257.96/x
  3. Step 3: Cross multiply
    1,376,986.60x = 1,900,135.14 × 773,257.96
  4. Step 4: Simplify right side
    1,376,986.60x = 1,469,294,622,080.71
  5. Step 5: Solve for x
    x = 1,469,294,622,080.71/1,376,986.60
  6. Step 6: Final answer
    x = 1,067,036.25

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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.