Home / 1,464,911.34-2,021,704.83-820,319.82

Finding the Fourth Proportional to 1,464,911.34, 2,021,704.83 and 820,319.82

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Solution

The fourth proportional to 1,464,911.34, 2,021,704.83 and 820,319.82 is: 1,132,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,911.34 : 2,021,704.83 = 820,319.82 : x
  2. Step 2: Convert to fraction form
    1,464,911.34/2,021,704.83 = 820,319.82/x
  3. Step 3: Cross multiply
    1,464,911.34x = 2,021,704.83 × 820,319.82
  4. Step 4: Simplify right side
    1,464,911.34x = 1,658,444,542,238.73
  5. Step 5: Solve for x
    x = 1,658,444,542,238.73/1,464,911.34
  6. Step 6: Final answer
    x = 1,132,112.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.