Home / 1,222,915.26-1,687,244.60-706,480.69

Finding the Fourth Proportional to 1,222,915.26, 1,687,244.60 and 706,480.69

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Solution

The fourth proportional to 1,222,915.26, 1,687,244.60 and 706,480.69 is: 974,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,915.26 : 1,687,244.60 = 706,480.69 : x
  2. Step 2: Convert to fraction form
    1,222,915.26/1,687,244.60 = 706,480.69/x
  3. Step 3: Cross multiply
    1,222,915.26x = 1,687,244.60 × 706,480.69
  4. Step 4: Simplify right side
    1,222,915.26x = 1,192,005,729,206.77
  5. Step 5: Solve for x
    x = 1,192,005,729,206.77/1,222,915.26
  6. Step 6: Final answer
    x = 974,724.72

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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.