Home / 1,670,393.44-2,305,142.93-906,447

Finding the Fourth Proportional to 1,670,393.44, 2,305,142.93 and 906,447

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Solution

The fourth proportional to 1,670,393.44, 2,305,142.93 and 906,447 is: 1,250,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,393.44 : 2,305,142.93 = 906,447 : x
  2. Step 2: Convert to fraction form
    1,670,393.44/2,305,142.93 = 906,447/x
  3. Step 3: Cross multiply
    1,670,393.44x = 2,305,142.93 × 906,447
  4. Step 4: Simplify right side
    1,670,393.44x = 2,089,489,888,937.48
  5. Step 5: Solve for x
    x = 2,089,489,888,937.48/1,670,393.44
  6. Step 6: Final answer
    x = 1,250,896.85

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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.