Home / 1,277,124.72-1,760,600.88-1,004,719.51

Finding the Fourth Proportional to 1,277,124.72, 1,760,600.88 and 1,004,719.51

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Solution

The fourth proportional to 1,277,124.72, 1,760,600.88 and 1,004,719.51 is: 1,385,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,124.72 : 1,760,600.88 = 1,004,719.51 : x
  2. Step 2: Convert to fraction form
    1,277,124.72/1,760,600.88 = 1,004,719.51/x
  3. Step 3: Cross multiply
    1,277,124.72x = 1,760,600.88 × 1,004,719.51
  4. Step 4: Simplify right side
    1,277,124.72x = 1,768,910,055,659.92
  5. Step 5: Solve for x
    x = 1,768,910,055,659.92/1,277,124.72
  6. Step 6: Final answer
    x = 1,385,072.28

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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.