Home / 1,036,351.32-1,553,473.83-429,469.82

Finding the Fourth Proportional to 1,036,351.32, 1,553,473.83 and 429,469.82

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Solution

The fourth proportional to 1,036,351.32, 1,553,473.83 and 429,469.82 is: 643,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,351.32 : 1,553,473.83 = 429,469.82 : x
  2. Step 2: Convert to fraction form
    1,036,351.32/1,553,473.83 = 429,469.82/x
  3. Step 3: Cross multiply
    1,036,351.32x = 1,553,473.83 × 429,469.82
  4. Step 4: Simplify right side
    1,036,351.32x = 667,170,118,377.44
  5. Step 5: Solve for x
    x = 667,170,118,377.44/1,036,351.32
  6. Step 6: Final answer
    x = 643,768.29

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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.