Home / 1,266,880.73-1,748,469.33-776,763.54

Finding the Fourth Proportional to 1,266,880.73, 1,748,469.33 and 776,763.54

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Solution

The fourth proportional to 1,266,880.73, 1,748,469.33 and 776,763.54 is: 1,072,040.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,880.73 : 1,748,469.33 = 776,763.54 : x
  2. Step 2: Convert to fraction form
    1,266,880.73/1,748,469.33 = 776,763.54/x
  3. Step 3: Cross multiply
    1,266,880.73x = 1,748,469.33 × 776,763.54
  4. Step 4: Simplify right side
    1,266,880.73x = 1,358,147,226,352.23
  5. Step 5: Solve for x
    x = 1,358,147,226,352.23/1,266,880.73
  6. Step 6: Final answer
    x = 1,072,040.33

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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.