Home / 1,670,404.93-2,305,158.82-906,458.50

Finding the Fourth Proportional to 1,670,404.93, 2,305,158.82 and 906,458.50

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Solution

The fourth proportional to 1,670,404.93, 2,305,158.82 and 906,458.50 is: 1,250,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,404.93 : 2,305,158.82 = 906,458.50 : x
  2. Step 2: Convert to fraction form
    1,670,404.93/2,305,158.82 = 906,458.50/x
  3. Step 3: Cross multiply
    1,670,404.93x = 2,305,158.82 × 906,458.50
  4. Step 4: Simplify right side
    1,670,404.93x = 2,089,530,806,238.97
  5. Step 5: Solve for x
    x = 2,089,530,806,238.97/1,670,404.93
  6. Step 6: Final answer
    x = 1,250,912.74

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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.