Home / 1,242,570.12-1,863,860.04-378,013.44

Finding the Fourth Proportional to 1,242,570.12, 1,863,860.04 and 378,013.44

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Solution

The fourth proportional to 1,242,570.12, 1,863,860.04 and 378,013.44 is: 567,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,570.12 : 1,863,860.04 = 378,013.44 : x
  2. Step 2: Convert to fraction form
    1,242,570.12/1,863,860.04 = 378,013.44/x
  3. Step 3: Cross multiply
    1,242,570.12x = 1,863,860.04 × 378,013.44
  4. Step 4: Simplify right side
    1,242,570.12x = 704,564,145,398.94
  5. Step 5: Solve for x
    x = 704,564,145,398.94/1,242,570.12
  6. Step 6: Final answer
    x = 567,021.64

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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.