Home / 1,491,452.59-2,058,146.63-911,646.51

Finding the Fourth Proportional to 1,491,452.59, 2,058,146.63 and 911,646.51

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Solution

The fourth proportional to 1,491,452.59, 2,058,146.63 and 911,646.51 is: 1,258,036.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,452.59 : 2,058,146.63 = 911,646.51 : x
  2. Step 2: Convert to fraction form
    1,491,452.59/2,058,146.63 = 911,646.51/x
  3. Step 3: Cross multiply
    1,491,452.59x = 2,058,146.63 × 911,646.51
  4. Step 4: Simplify right side
    1,491,452.59x = 1,876,302,187,626.38
  5. Step 5: Solve for x
    x = 1,876,302,187,626.38/1,491,452.59
  6. Step 6: Final answer
    x = 1,258,036.77

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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.