Home / 1,491,489.55-2,058,197.52-911,683.46

Finding the Fourth Proportional to 1,491,489.55, 2,058,197.52 and 911,683.46

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Solution

The fourth proportional to 1,491,489.55, 2,058,197.52 and 911,683.46 is: 1,258,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,489.55 : 2,058,197.52 = 911,683.46 : x
  2. Step 2: Convert to fraction form
    1,491,489.55/2,058,197.52 = 911,683.46/x
  3. Step 3: Cross multiply
    1,491,489.55x = 2,058,197.52 × 911,683.46
  4. Step 4: Simplify right side
    1,491,489.55x = 1,876,424,636,397.02
  5. Step 5: Solve for x
    x = 1,876,424,636,397.02/1,491,489.55
  6. Step 6: Final answer
    x = 1,258,087.69

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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.