Home / 1,295,383.16-1,787,157.60-751,218.68

Finding the Fourth Proportional to 1,295,383.16, 1,787,157.60 and 751,218.68

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Solution

The fourth proportional to 1,295,383.16, 1,787,157.60 and 751,218.68 is: 1,036,408.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,383.16 : 1,787,157.60 = 751,218.68 : x
  2. Step 2: Convert to fraction form
    1,295,383.16/1,787,157.60 = 751,218.68/x
  3. Step 3: Cross multiply
    1,295,383.16x = 1,787,157.60 × 751,218.68
  4. Step 4: Simplify right side
    1,295,383.16x = 1,342,546,173,223.97
  5. Step 5: Solve for x
    x = 1,342,546,173,223.97/1,295,383.16
  6. Step 6: Final answer
    x = 1,036,408.54

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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.