Home / 1,277,264.88-1,915,942.56-317,725.44

Finding the Fourth Proportional to 1,277,264.88, 1,915,942.56 and 317,725.44

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Solution

The fourth proportional to 1,277,264.88, 1,915,942.56 and 317,725.44 is: 476,599.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,264.88 : 1,915,942.56 = 317,725.44 : x
  2. Step 2: Convert to fraction form
    1,277,264.88/1,915,942.56 = 317,725.44/x
  3. Step 3: Cross multiply
    1,277,264.88x = 1,915,942.56 × 317,725.44
  4. Step 4: Simplify right side
    1,277,264.88x = 608,743,692,890.73
  5. Step 5: Solve for x
    x = 608,743,692,890.73/1,277,264.88
  6. Step 6: Final answer
    x = 476,599.41

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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.