Home / 1,662,825.36-2,293,168.68-1,089,657.36

Finding the Fourth Proportional to 1,662,825.36, 2,293,168.68 and 1,089,657.36

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Solution

The fourth proportional to 1,662,825.36, 2,293,168.68 and 1,089,657.36 is: 1,502,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,825.36 : 2,293,168.68 = 1,089,657.36 : x
  2. Step 2: Convert to fraction form
    1,662,825.36/2,293,168.68 = 1,089,657.36/x
  3. Step 3: Cross multiply
    1,662,825.36x = 2,293,168.68 × 1,089,657.36
  4. Step 4: Simplify right side
    1,662,825.36x = 2,498,768,129,883.49
  5. Step 5: Solve for x
    x = 2,498,768,129,883.49/1,662,825.36
  6. Step 6: Final answer
    x = 1,502,724.33

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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.