Home / 1,022,825.34-1,412,104.32-909,334.62

Finding the Fourth Proportional to 1,022,825.34, 1,412,104.32 and 909,334.62

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Solution

The fourth proportional to 1,022,825.34, 1,412,104.32 and 909,334.62 is: 1,255,419.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,825.34 : 1,412,104.32 = 909,334.62 : x
  2. Step 2: Convert to fraction form
    1,022,825.34/1,412,104.32 = 909,334.62/x
  3. Step 3: Cross multiply
    1,022,825.34x = 1,412,104.32 × 909,334.62
  4. Step 4: Simplify right side
    1,022,825.34x = 1,284,075,345,227.56
  5. Step 5: Solve for x
    x = 1,284,075,345,227.56/1,022,825.34
  6. Step 6: Final answer
    x = 1,255,419.96

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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.