Home / 1,308,047.94-1,962,016.83-455,313.96

Finding the Fourth Proportional to 1,308,047.94, 1,962,016.83 and 455,313.96

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Solution

The fourth proportional to 1,308,047.94, 1,962,016.83 and 455,313.96 is: 682,951.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,047.94 : 1,962,016.83 = 455,313.96 : x
  2. Step 2: Convert to fraction form
    1,308,047.94/1,962,016.83 = 455,313.96/x
  3. Step 3: Cross multiply
    1,308,047.94x = 1,962,016.83 × 455,313.96
  4. Step 4: Simplify right side
    1,308,047.94x = 893,333,652,453.95
  5. Step 5: Solve for x
    x = 893,333,652,453.95/1,308,047.94
  6. Step 6: Final answer
    x = 682,951.77

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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.