Home / 1,194.36-1,647.62-1,036.78

Finding the Fourth Proportional to 1,194.36, 1,647.62 and 1,036.78

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Solution

The fourth proportional to 1,194.36, 1,647.62 and 1,036.78 is: 1,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.36 : 1,647.62 = 1,036.78 : x
  2. Step 2: Convert to fraction form
    1,194.36/1,647.62 = 1,036.78/x
  3. Step 3: Cross multiply
    1,194.36x = 1,647.62 × 1,036.78
  4. Step 4: Simplify right side
    1,194.36x = 1,708,214.05
  5. Step 5: Solve for x
    x = 1,708,214.05/1,194.36
  6. Step 6: Final answer
    x = 1,430.24

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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.