Home / 1,255,919.90-1,883,739.74-345,172.18

Finding the Fourth Proportional to 1,255,919.90, 1,883,739.74 and 345,172.18

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Solution

The fourth proportional to 1,255,919.90, 1,883,739.74 and 345,172.18 is: 517,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,919.90 : 1,883,739.74 = 345,172.18 : x
  2. Step 2: Convert to fraction form
    1,255,919.90/1,883,739.74 = 345,172.18/x
  3. Step 3: Cross multiply
    1,255,919.90x = 1,883,739.74 × 345,172.18
  4. Step 4: Simplify right side
    1,255,919.90x = 650,214,552,608.43
  5. Step 5: Solve for x
    x = 650,214,552,608.43/1,255,919.90
  6. Step 6: Final answer
    x = 517,719.76

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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.