Home / 1,670,389.44-2,305,139.52-906,456

Finding the Fourth Proportional to 1,670,389.44, 2,305,139.52 and 906,456

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Solution

The fourth proportional to 1,670,389.44, 2,305,139.52 and 906,456 is: 1,250,910.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,389.44 : 2,305,139.52 = 906,456 : x
  2. Step 2: Convert to fraction form
    1,670,389.44/2,305,139.52 = 906,456/x
  3. Step 3: Cross multiply
    1,670,389.44x = 2,305,139.52 × 906,456
  4. Step 4: Simplify right side
    1,670,389.44x = 2,089,507,548,741.12
  5. Step 5: Solve for x
    x = 2,089,507,548,741.12/1,670,389.44
  6. Step 6: Final answer
    x = 1,250,910.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.