Home / 1,112,852.10-1,668,716.80-792,821.10

Finding the Fourth Proportional to 1,112,852.10, 1,668,716.80 and 792,821.10

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Solution

The fourth proportional to 1,112,852.10, 1,668,716.80 and 792,821.10 is: 1,188,831.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,852.10 : 1,668,716.80 = 792,821.10 : x
  2. Step 2: Convert to fraction form
    1,112,852.10/1,668,716.80 = 792,821.10/x
  3. Step 3: Cross multiply
    1,112,852.10x = 1,668,716.80 × 792,821.10
  4. Step 4: Simplify right side
    1,112,852.10x = 1,322,993,888,964.48
  5. Step 5: Solve for x
    x = 1,322,993,888,964.48/1,112,852.10
  6. Step 6: Final answer
    x = 1,188,831.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.