Home / 1,179,772.82-1,628,224.71-670,551.74

Finding the Fourth Proportional to 1,179,772.82, 1,628,224.71 and 670,551.74

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Solution

The fourth proportional to 1,179,772.82, 1,628,224.71 and 670,551.74 is: 925,439.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,772.82 : 1,628,224.71 = 670,551.74 : x
  2. Step 2: Convert to fraction form
    1,179,772.82/1,628,224.71 = 670,551.74/x
  3. Step 3: Cross multiply
    1,179,772.82x = 1,628,224.71 × 670,551.74
  4. Step 4: Simplify right side
    1,179,772.82x = 1,091,808,912,401.50
  5. Step 5: Solve for x
    x = 1,091,808,912,401.50/1,179,772.82
  6. Step 6: Final answer
    x = 925,439.96

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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.