Home / 1,486,209.20-2,227,755.36-727,002.68

Finding the Fourth Proportional to 1,486,209.20, 2,227,755.36 and 727,002.68

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Solution

The fourth proportional to 1,486,209.20, 2,227,755.36 and 727,002.68 is: 1,089,741.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,209.20 : 2,227,755.36 = 727,002.68 : x
  2. Step 2: Convert to fraction form
    1,486,209.20/2,227,755.36 = 727,002.68/x
  3. Step 3: Cross multiply
    1,486,209.20x = 2,227,755.36 × 727,002.68
  4. Step 4: Simplify right side
    1,486,209.20x = 1,619,584,117,104.36
  5. Step 5: Solve for x
    x = 1,619,584,117,104.36/1,486,209.20
  6. Step 6: Final answer
    x = 1,089,741.68

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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.