Home / 1,212,285.12-1,673,358.85-722,408.32

Finding the Fourth Proportional to 1,212,285.12, 1,673,358.85 and 722,408.32

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Solution

The fourth proportional to 1,212,285.12, 1,673,358.85 and 722,408.32 is: 997,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,285.12 : 1,673,358.85 = 722,408.32 : x
  2. Step 2: Convert to fraction form
    1,212,285.12/1,673,358.85 = 722,408.32/x
  3. Step 3: Cross multiply
    1,212,285.12x = 1,673,358.85 × 722,408.32
  4. Step 4: Simplify right side
    1,212,285.12x = 1,208,848,358,580.34
  5. Step 5: Solve for x
    x = 1,208,848,358,580.34/1,212,285.12
  6. Step 6: Final answer
    x = 997,165.06

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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.