Home / 1,422,716.77-1,963,229.92-802,487.67

Finding the Fourth Proportional to 1,422,716.77, 1,963,229.92 and 802,487.67

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Solution

The fourth proportional to 1,422,716.77, 1,963,229.92 and 802,487.67 is: 1,107,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,716.77 : 1,963,229.92 = 802,487.67 : x
  2. Step 2: Convert to fraction form
    1,422,716.77/1,963,229.92 = 802,487.67/x
  3. Step 3: Cross multiply
    1,422,716.77x = 1,963,229.92 × 802,487.67
  4. Step 4: Simplify right side
    1,422,716.77x = 1,575,467,794,806.76
  5. Step 5: Solve for x
    x = 1,575,467,794,806.76/1,422,716.77
  6. Step 6: Final answer
    x = 1,107,365.73

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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.