Home / 1,342,997.75-2,013,230.31-668,441.36

Finding the Fourth Proportional to 1,342,997.75, 2,013,230.31 and 668,441.36

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Solution

The fourth proportional to 1,342,997.75, 2,013,230.31 and 668,441.36 is: 1,002,031.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,997.75 : 2,013,230.31 = 668,441.36 : x
  2. Step 2: Convert to fraction form
    1,342,997.75/2,013,230.31 = 668,441.36/x
  3. Step 3: Cross multiply
    1,342,997.75x = 2,013,230.31 × 668,441.36
  4. Step 4: Simplify right side
    1,342,997.75x = 1,345,726,406,409.62
  5. Step 5: Solve for x
    x = 1,345,726,406,409.62/1,342,997.75
  6. Step 6: Final answer
    x = 1,002,031.77

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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.