Home / 1,422,065.97-1,962,451.70-777,491.46

Finding the Fourth Proportional to 1,422,065.97, 1,962,451.70 and 777,491.46

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Solution

The fourth proportional to 1,422,065.97, 1,962,451.70 and 777,491.46 is: 1,072,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,065.97 : 1,962,451.70 = 777,491.46 : x
  2. Step 2: Convert to fraction form
    1,422,065.97/1,962,451.70 = 777,491.46/x
  3. Step 3: Cross multiply
    1,422,065.97x = 1,962,451.70 × 777,491.46
  4. Step 4: Simplify right side
    1,422,065.97x = 1,525,789,436,440.62
  5. Step 5: Solve for x
    x = 1,525,789,436,440.62/1,422,065.97
  6. Step 6: Final answer
    x = 1,072,938.58

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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.