Home / 1,267,406.06-1,901,111.90-307,857.38

Finding the Fourth Proportional to 1,267,406.06, 1,901,111.90 and 307,857.38

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Solution

The fourth proportional to 1,267,406.06, 1,901,111.90 and 307,857.38 is: 461,786.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,406.06 : 1,901,111.90 = 307,857.38 : x
  2. Step 2: Convert to fraction form
    1,267,406.06/1,901,111.90 = 307,857.38/x
  3. Step 3: Cross multiply
    1,267,406.06x = 1,901,111.90 × 307,857.38
  4. Step 4: Simplify right side
    1,267,406.06x = 585,271,317,575.98
  5. Step 5: Solve for x
    x = 585,271,317,575.98/1,267,406.06
  6. Step 6: Final answer
    x = 461,786.75

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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.