Home / 1,265,786.20-1,898,383.96-366,986.72

Finding the Fourth Proportional to 1,265,786.20, 1,898,383.96 and 366,986.72

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Solution

The fourth proportional to 1,265,786.20, 1,898,383.96 and 366,986.72 is: 550,394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,786.20 : 1,898,383.96 = 366,986.72 : x
  2. Step 2: Convert to fraction form
    1,265,786.20/1,898,383.96 = 366,986.72/x
  3. Step 3: Cross multiply
    1,265,786.20x = 1,898,383.96 × 366,986.72
  4. Step 4: Simplify right side
    1,265,786.20x = 696,681,702,781.01
  5. Step 5: Solve for x
    x = 696,681,702,781.01/1,265,786.20
  6. Step 6: Final answer
    x = 550,394.45

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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.