Home / 1,277,774.20-1,915,033.20-679,022.20

Finding the Fourth Proportional to 1,277,774.20, 1,915,033.20 and 679,022.20

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Solution

The fourth proportional to 1,277,774.20, 1,915,033.20 and 679,022.20 is: 1,017,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,774.20 : 1,915,033.20 = 679,022.20 : x
  2. Step 2: Convert to fraction form
    1,277,774.20/1,915,033.20 = 679,022.20/x
  3. Step 3: Cross multiply
    1,277,774.20x = 1,915,033.20 × 679,022.20
  4. Step 4: Simplify right side
    1,277,774.20x = 1,300,350,056,537.04
  5. Step 5: Solve for x
    x = 1,300,350,056,537.04/1,277,774.20
  6. Step 6: Final answer
    x = 1,017,668.11

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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.