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Finding the Fourth Proportional to 1,670,493, 2,305,281.96 and 906,546.72

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Solution

The fourth proportional to 1,670,493, 2,305,281.96 and 906,546.72 is: 1,251,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,493 : 2,305,281.96 = 906,546.72 : x
  2. Step 2: Convert to fraction form
    1,670,493/2,305,281.96 = 906,546.72/x
  3. Step 3: Cross multiply
    1,670,493x = 2,305,281.96 × 906,546.72
  4. Step 4: Simplify right side
    1,670,493x = 2,089,845,799,513.17
  5. Step 5: Solve for x
    x = 2,089,845,799,513.17/1,670,493
  6. Step 6: Final answer
    x = 1,251,035.35

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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.