Home / 1,491,518.38-2,058,237.18-911,712.22

Finding the Fourth Proportional to 1,491,518.38, 2,058,237.18 and 911,712.22

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Solution

The fourth proportional to 1,491,518.38, 2,058,237.18 and 911,712.22 is: 1,258,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,518.38 : 2,058,237.18 = 911,712.22 : x
  2. Step 2: Convert to fraction form
    1,491,518.38/2,058,237.18 = 911,712.22/x
  3. Step 3: Cross multiply
    1,491,518.38x = 2,058,237.18 × 911,712.22
  4. Step 4: Simplify right side
    1,491,518.38x = 1,876,519,988,664.34
  5. Step 5: Solve for x
    x = 1,876,519,988,664.34/1,491,518.38
  6. Step 6: Final answer
    x = 1,258,127.30

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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.