Home / 1,422,813.62-1,964,123.28-907,258.55

Finding the Fourth Proportional to 1,422,813.62, 1,964,123.28 and 907,258.55

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Solution

The fourth proportional to 1,422,813.62, 1,964,123.28 and 907,258.55 is: 1,252,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,813.62 : 1,964,123.28 = 907,258.55 : x
  2. Step 2: Convert to fraction form
    1,422,813.62/1,964,123.28 = 907,258.55/x
  3. Step 3: Cross multiply
    1,422,813.62x = 1,964,123.28 × 907,258.55
  4. Step 4: Simplify right side
    1,422,813.62x = 1,781,967,629,213.43
  5. Step 5: Solve for x
    x = 1,781,967,629,213.43/1,422,813.62
  6. Step 6: Final answer
    x = 1,252,425.20

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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.