Home / 1,040,920.21-1,435,915.78-633,146.77

Finding the Fourth Proportional to 1,040,920.21, 1,435,915.78 and 633,146.77

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Solution

The fourth proportional to 1,040,920.21, 1,435,915.78 and 633,146.77 is: 873,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,920.21 : 1,435,915.78 = 633,146.77 : x
  2. Step 2: Convert to fraction form
    1,040,920.21/1,435,915.78 = 633,146.77/x
  3. Step 3: Cross multiply
    1,040,920.21x = 1,435,915.78 × 633,146.77
  4. Step 4: Simplify right side
    1,040,920.21x = 909,145,438,099.03
  5. Step 5: Solve for x
    x = 909,145,438,099.03/1,040,920.21
  6. Step 6: Final answer
    x = 873,405.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.