Home / 1,280,790.82-1,767,442.04-737,101.26

Finding the Fourth Proportional to 1,280,790.82, 1,767,442.04 and 737,101.26

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Solution

The fourth proportional to 1,280,790.82, 1,767,442.04 and 737,101.26 is: 1,017,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,790.82 : 1,767,442.04 = 737,101.26 : x
  2. Step 2: Convert to fraction form
    1,280,790.82/1,767,442.04 = 737,101.26/x
  3. Step 3: Cross multiply
    1,280,790.82x = 1,767,442.04 × 737,101.26
  4. Step 4: Simplify right side
    1,280,790.82x = 1,302,783,754,660.97
  5. Step 5: Solve for x
    x = 1,302,783,754,660.97/1,280,790.82
  6. Step 6: Final answer
    x = 1,017,171.37

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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.