Home / 1,670,418.90-2,505,628.35-1,245,266.10

Finding the Fourth Proportional to 1,670,418.90, 2,505,628.35 and 1,245,266.10

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Solution

The fourth proportional to 1,670,418.90, 2,505,628.35 and 1,245,266.10 is: 1,867,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,418.90 : 2,505,628.35 = 1,245,266.10 : x
  2. Step 2: Convert to fraction form
    1,670,418.90/2,505,628.35 = 1,245,266.10/x
  3. Step 3: Cross multiply
    1,670,418.90x = 2,505,628.35 × 1,245,266.10
  4. Step 4: Simplify right side
    1,670,418.90x = 3,120,174,043,453.94
  5. Step 5: Solve for x
    x = 3,120,174,043,453.94/1,670,418.90
  6. Step 6: Final answer
    x = 1,867,899.15

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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.