Home / 1,268,408.10-1,900,616.58-980,923.50

Finding the Fourth Proportional to 1,268,408.10, 1,900,616.58 and 980,923.50

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Solution

The fourth proportional to 1,268,408.10, 1,900,616.58 and 980,923.50 is: 1,469,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,408.10 : 1,900,616.58 = 980,923.50 : x
  2. Step 2: Convert to fraction form
    1,268,408.10/1,900,616.58 = 980,923.50/x
  3. Step 3: Cross multiply
    1,268,408.10x = 1,900,616.58 × 980,923.50
  4. Step 4: Simplify right side
    1,268,408.10x = 1,864,359,467,811.63
  5. Step 5: Solve for x
    x = 1,864,359,467,811.63/1,268,408.10
  6. Step 6: Final answer
    x = 1,469,841.98

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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.