Home / 1,022,859.27-1,412,150.57-909,367.88

Finding the Fourth Proportional to 1,022,859.27, 1,412,150.57 and 909,367.88

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Solution

The fourth proportional to 1,022,859.27, 1,412,150.57 and 909,367.88 is: 1,255,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,859.27 : 1,412,150.57 = 909,367.88 : x
  2. Step 2: Convert to fraction form
    1,022,859.27/1,412,150.57 = 909,367.88/x
  3. Step 3: Cross multiply
    1,022,859.27x = 1,412,150.57 × 909,367.88
  4. Step 4: Simplify right side
    1,022,859.27x = 1,284,164,358,474.10
  5. Step 5: Solve for x
    x = 1,284,164,358,474.10/1,022,859.27
  6. Step 6: Final answer
    x = 1,255,465.34

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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.