Home / 1,116,833.90-1,675,250.97-780,531.38

Finding the Fourth Proportional to 1,116,833.90, 1,675,250.97 and 780,531.38

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Solution

The fourth proportional to 1,116,833.90, 1,675,250.97 and 780,531.38 is: 1,170,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,833.90 : 1,675,250.97 = 780,531.38 : x
  2. Step 2: Convert to fraction form
    1,116,833.90/1,675,250.97 = 780,531.38/x
  3. Step 3: Cross multiply
    1,116,833.90x = 1,675,250.97 × 780,531.38
  4. Step 4: Simplify right side
    1,116,833.90x = 1,307,585,951,460.44
  5. Step 5: Solve for x
    x = 1,307,585,951,460.44/1,116,833.90
  6. Step 6: Final answer
    x = 1,170,797.15

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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.