Home / 1,275,922.56-1,914,258.12-377,388

Finding the Fourth Proportional to 1,275,922.56, 1,914,258.12 and 377,388

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Solution

The fourth proportional to 1,275,922.56, 1,914,258.12 and 377,388 is: 566,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,922.56 : 1,914,258.12 = 377,388 : x
  2. Step 2: Convert to fraction form
    1,275,922.56/1,914,258.12 = 377,388/x
  3. Step 3: Cross multiply
    1,275,922.56x = 1,914,258.12 × 377,388
  4. Step 4: Simplify right side
    1,275,922.56x = 722,418,043,390.56
  5. Step 5: Solve for x
    x = 722,418,043,390.56/1,275,922.56
  6. Step 6: Final answer
    x = 566,192.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.