Home / 1,222,915.51-1,687,244.95-706,480.94

Finding the Fourth Proportional to 1,222,915.51, 1,687,244.95 and 706,480.94

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Solution

The fourth proportional to 1,222,915.51, 1,687,244.95 and 706,480.94 is: 974,725.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,915.51 : 1,687,244.95 = 706,480.94 : x
  2. Step 2: Convert to fraction form
    1,222,915.51/1,687,244.95 = 706,480.94/x
  3. Step 3: Cross multiply
    1,222,915.51x = 1,687,244.95 × 706,480.94
  4. Step 4: Simplify right side
    1,222,915.51x = 1,192,006,394,753.85
  5. Step 5: Solve for x
    x = 1,192,006,394,753.85/1,222,915.51
  6. Step 6: Final answer
    x = 974,725.06

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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.