Home / 1,271,800.15-1,755,162.72-727,924.34

Finding the Fourth Proportional to 1,271,800.15, 1,755,162.72 and 727,924.34

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Solution

The fourth proportional to 1,271,800.15, 1,755,162.72 and 727,924.34 is: 1,004,580.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,800.15 : 1,755,162.72 = 727,924.34 : x
  2. Step 2: Convert to fraction form
    1,271,800.15/1,755,162.72 = 727,924.34/x
  3. Step 3: Cross multiply
    1,271,800.15x = 1,755,162.72 × 727,924.34
  4. Step 4: Simplify right side
    1,271,800.15x = 1,277,625,668,936.51
  5. Step 5: Solve for x
    x = 1,277,625,668,936.51/1,271,800.15
  6. Step 6: Final answer
    x = 1,004,580.53

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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.