Home / 1,215,629.37-1,677,484.62-671,760

Finding the Fourth Proportional to 1,215,629.37, 1,677,484.62 and 671,760

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Solution

The fourth proportional to 1,215,629.37, 1,677,484.62 and 671,760 is: 926,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,629.37 : 1,677,484.62 = 671,760 : x
  2. Step 2: Convert to fraction form
    1,215,629.37/1,677,484.62 = 671,760/x
  3. Step 3: Cross multiply
    1,215,629.37x = 1,677,484.62 × 671,760
  4. Step 4: Simplify right side
    1,215,629.37x = 1,126,867,068,331.20
  5. Step 5: Solve for x
    x = 1,126,867,068,331.20/1,215,629.37
  6. Step 6: Final answer
    x = 926,982.43

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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.