Home / 1,242,696.40-1,864,046.44-378,138.88

Finding the Fourth Proportional to 1,242,696.40, 1,864,046.44 and 378,138.88

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Solution

The fourth proportional to 1,242,696.40, 1,864,046.44 and 378,138.88 is: 567,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,696.40 : 1,864,046.44 = 378,138.88 : x
  2. Step 2: Convert to fraction form
    1,242,696.40/1,864,046.44 = 378,138.88/x
  3. Step 3: Cross multiply
    1,242,696.40x = 1,864,046.44 × 378,138.88
  4. Step 4: Simplify right side
    1,242,696.40x = 704,868,433,089.59
  5. Step 5: Solve for x
    x = 704,868,433,089.59/1,242,696.40
  6. Step 6: Final answer
    x = 567,208.88

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1.5x scale

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.