Home / 1,255,917.90-1,883,736.74-345,170.18

Finding the Fourth Proportional to 1,255,917.90, 1,883,736.74 and 345,170.18

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Solution

The fourth proportional to 1,255,917.90, 1,883,736.74 and 345,170.18 is: 517,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,917.90 : 1,883,736.74 = 345,170.18 : x
  2. Step 2: Convert to fraction form
    1,255,917.90/1,883,736.74 = 345,170.18/x
  3. Step 3: Cross multiply
    1,255,917.90x = 1,883,736.74 × 345,170.18
  4. Step 4: Simplify right side
    1,255,917.90x = 650,209,749,618.41
  5. Step 5: Solve for x
    x = 650,209,749,618.41/1,255,917.90
  6. Step 6: Final answer
    x = 517,716.76

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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.