Home / 911,137.49-1,368,110.82-770,826.46

Finding the Fourth Proportional to 911,137.49, 1,368,110.82 and 770,826.46

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Solution

The fourth proportional to 911,137.49, 1,368,110.82 and 770,826.46 is: 1,157,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,137.49 : 1,368,110.82 = 770,826.46 : x
  2. Step 2: Convert to fraction form
    911,137.49/1,368,110.82 = 770,826.46/x
  3. Step 3: Cross multiply
    911,137.49x = 1,368,110.82 × 770,826.46
  4. Step 4: Simplify right side
    911,137.49x = 1,054,576,013,427.74
  5. Step 5: Solve for x
    x = 1,054,576,013,427.74/911,137.49
  6. Step 6: Final answer
    x = 1,157,427.97

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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.