Home / 1,231,207.40-1,846,551.90-521,258.60

Finding the Fourth Proportional to 1,231,207.40, 1,846,551.90 and 521,258.60

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Solution

The fourth proportional to 1,231,207.40, 1,846,551.90 and 521,258.60 is: 781,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,207.40 : 1,846,551.90 = 521,258.60 : x
  2. Step 2: Convert to fraction form
    1,231,207.40/1,846,551.90 = 521,258.60/x
  3. Step 3: Cross multiply
    1,231,207.40x = 1,846,551.90 × 521,258.60
  4. Step 4: Simplify right side
    1,231,207.40x = 962,531,058,221.34
  5. Step 5: Solve for x
    x = 962,531,058,221.34/1,231,207.40
  6. Step 6: Final answer
    x = 781,778.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.