Home / 1,270,084.63-1,752,716.10-718,790.32

Finding the Fourth Proportional to 1,270,084.63, 1,752,716.10 and 718,790.32

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Solution

The fourth proportional to 1,270,084.63, 1,752,716.10 and 718,790.32 is: 991,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,084.63 : 1,752,716.10 = 718,790.32 : x
  2. Step 2: Convert to fraction form
    1,270,084.63/1,752,716.10 = 718,790.32/x
  3. Step 3: Cross multiply
    1,270,084.63x = 1,752,716.10 × 718,790.32
  4. Step 4: Simplify right side
    1,270,084.63x = 1,259,835,366,388.15
  5. Step 5: Solve for x
    x = 1,259,835,366,388.15/1,270,084.63
  6. Step 6: Final answer
    x = 991,930.25

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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.