Home / 1,322,505.20-1,825,075.32-718,906.16

Finding the Fourth Proportional to 1,322,505.20, 1,825,075.32 and 718,906.16

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Solution

The fourth proportional to 1,322,505.20, 1,825,075.32 and 718,906.16 is: 992,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,505.20 : 1,825,075.32 = 718,906.16 : x
  2. Step 2: Convert to fraction form
    1,322,505.20/1,825,075.32 = 718,906.16/x
  3. Step 3: Cross multiply
    1,322,505.20x = 1,825,075.32 × 718,906.16
  4. Step 4: Simplify right side
    1,322,505.20x = 1,312,057,890,011.97
  5. Step 5: Solve for x
    x = 1,312,057,890,011.97/1,322,505.20
  6. Step 6: Final answer
    x = 992,100.36

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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.