Home / 1,421,907.40-1,962,255.54-848,997.64

Finding the Fourth Proportional to 1,421,907.40, 1,962,255.54 and 848,997.64

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Solution

The fourth proportional to 1,421,907.40, 1,962,255.54 and 848,997.64 is: 1,171,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,907.40 : 1,962,255.54 = 848,997.64 : x
  2. Step 2: Convert to fraction form
    1,421,907.40/1,962,255.54 = 848,997.64/x
  3. Step 3: Cross multiply
    1,421,907.40x = 1,962,255.54 × 848,997.64
  4. Step 4: Simplify right side
    1,421,907.40x = 1,665,950,322,536.93
  5. Step 5: Solve for x
    x = 1,665,950,322,536.93/1,421,907.40
  6. Step 6: Final answer
    x = 1,171,630.67

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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.