Home / 1,214,408.40-1,821,612.60-1,179,416.40

Finding the Fourth Proportional to 1,214,408.40, 1,821,612.60 and 1,179,416.40

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Solution

The fourth proportional to 1,214,408.40, 1,821,612.60 and 1,179,416.40 is: 1,769,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,408.40 : 1,821,612.60 = 1,179,416.40 : x
  2. Step 2: Convert to fraction form
    1,214,408.40/1,821,612.60 = 1,179,416.40/x
  3. Step 3: Cross multiply
    1,214,408.40x = 1,821,612.60 × 1,179,416.40
  4. Step 4: Simplify right side
    1,214,408.40x = 2,148,439,774,886.64
  5. Step 5: Solve for x
    x = 2,148,439,774,886.64/1,214,408.40
  6. Step 6: Final answer
    x = 1,769,124.60

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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.