Home / 1,085,958.40-1,627,900.80-845,939.20

Finding the Fourth Proportional to 1,085,958.40, 1,627,900.80 and 845,939.20

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Solution

The fourth proportional to 1,085,958.40, 1,627,900.80 and 845,939.20 is: 1,268,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,958.40 : 1,627,900.80 = 845,939.20 : x
  2. Step 2: Convert to fraction form
    1,085,958.40/1,627,900.80 = 845,939.20/x
  3. Step 3: Cross multiply
    1,085,958.40x = 1,627,900.80 × 845,939.20
  4. Step 4: Simplify right side
    1,085,958.40x = 1,377,105,100,431.36
  5. Step 5: Solve for x
    x = 1,377,105,100,431.36/1,085,958.40
  6. Step 6: Final answer
    x = 1,268,101.15

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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.