Home / 1,422,104.28-1,962,522.53-777,525.22

Finding the Fourth Proportional to 1,422,104.28, 1,962,522.53 and 777,525.22

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Solution

The fourth proportional to 1,422,104.28, 1,962,522.53 and 777,525.22 is: 1,072,994.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,104.28 : 1,962,522.53 = 777,525.22 : x
  2. Step 2: Convert to fraction form
    1,422,104.28/1,962,522.53 = 777,525.22/x
  3. Step 3: Cross multiply
    1,422,104.28x = 1,962,522.53 × 777,525.22
  4. Step 4: Simplify right side
    1,422,104.28x = 1,525,910,761,893.21
  5. Step 5: Solve for x
    x = 1,525,910,761,893.21/1,422,104.28
  6. Step 6: Final answer
    x = 1,072,994.99

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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.