Home / 1,067,428.80-1,601,143.20-946,123.20

Finding the Fourth Proportional to 1,067,428.80, 1,601,143.20 and 946,123.20

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Solution

The fourth proportional to 1,067,428.80, 1,601,143.20 and 946,123.20 is: 1,419,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,428.80 : 1,601,143.20 = 946,123.20 : x
  2. Step 2: Convert to fraction form
    1,067,428.80/1,601,143.20 = 946,123.20/x
  3. Step 3: Cross multiply
    1,067,428.80x = 1,601,143.20 × 946,123.20
  4. Step 4: Simplify right side
    1,067,428.80x = 1,514,878,728,042.24
  5. Step 5: Solve for x
    x = 1,514,878,728,042.24/1,067,428.80
  6. Step 6: Final answer
    x = 1,419,184.80

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Double scale
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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.