Home / 1,258,732.56-1,886,408.64-618,058.20

Finding the Fourth Proportional to 1,258,732.56, 1,886,408.64 and 618,058.20

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Solution

The fourth proportional to 1,258,732.56, 1,886,408.64 and 618,058.20 is: 926,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,732.56 : 1,886,408.64 = 618,058.20 : x
  2. Step 2: Convert to fraction form
    1,258,732.56/1,886,408.64 = 618,058.20/x
  3. Step 3: Cross multiply
    1,258,732.56x = 1,886,408.64 × 618,058.20
  4. Step 4: Simplify right side
    1,258,732.56x = 1,165,910,328,502.85
  5. Step 5: Solve for x
    x = 1,165,910,328,502.85/1,258,732.56
  6. Step 6: Final answer
    x = 926,257.38

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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.