Home / 1,469,686.32-2,028,284.36-825,148.88

Finding the Fourth Proportional to 1,469,686.32, 2,028,284.36 and 825,148.88

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Solution

The fourth proportional to 1,469,686.32, 2,028,284.36 and 825,148.88 is: 1,138,771.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,686.32 : 2,028,284.36 = 825,148.88 : x
  2. Step 2: Convert to fraction form
    1,469,686.32/2,028,284.36 = 825,148.88/x
  3. Step 3: Cross multiply
    1,469,686.32x = 2,028,284.36 × 825,148.88
  4. Step 4: Simplify right side
    1,469,686.32x = 1,673,636,567,975.52
  5. Step 5: Solve for x
    x = 1,673,636,567,975.52/1,469,686.32
  6. Step 6: Final answer
    x = 1,138,771.28

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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.