Home / 1,277,000.24-1,915,801.07-378,449.42

Finding the Fourth Proportional to 1,277,000.24, 1,915,801.07 and 378,449.42

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Solution

The fourth proportional to 1,277,000.24, 1,915,801.07 and 378,449.42 is: 567,763.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,000.24 : 1,915,801.07 = 378,449.42 : x
  2. Step 2: Convert to fraction form
    1,277,000.24/1,915,801.07 = 378,449.42/x
  3. Step 3: Cross multiply
    1,277,000.24x = 1,915,801.07 × 378,449.42
  4. Step 4: Simplify right side
    1,277,000.24x = 725,033,792,305.63
  5. Step 5: Solve for x
    x = 725,033,792,305.63/1,277,000.24
  6. Step 6: Final answer
    x = 567,763.24

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1.5x scale

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.