Home / 1,994,112.60-2,990,823.30-731,290.20

Finding the Fourth Proportional to 1,994,112.60, 2,990,823.30 and 731,290.20

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Solution

The fourth proportional to 1,994,112.60, 2,990,823.30 and 731,290.20 is: 1,096,808.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,112.60 : 2,990,823.30 = 731,290.20 : x
  2. Step 2: Convert to fraction form
    1,994,112.60/2,990,823.30 = 731,290.20/x
  3. Step 3: Cross multiply
    1,994,112.60x = 2,990,823.30 × 731,290.20
  4. Step 4: Simplify right side
    1,994,112.60x = 2,187,159,769,221.66
  5. Step 5: Solve for x
    x = 2,187,159,769,221.66/1,994,112.60
  6. Step 6: Final answer
    x = 1,096,808.56

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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.