Finding the Fourth Proportional to 1,206,454.52, 1,809,680.75 and 307,896.19
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Solution
The fourth proportional to 1,206,454.52, 1,809,680.75 and 307,896.19 is: 461,844.02
Step by Step Solution
- Step 1: Write the proportion equation
1,206,454.52 : 1,809,680.75 = 307,896.19 : x - Step 2: Convert to fraction form
1,206,454.52/1,809,680.75 = 307,896.19/x - Step 3: Cross multiply
1,206,454.52x = 1,809,680.75 × 307,896.19 - Step 4: Simplify right side
1,206,454.52x = 557,193,801,977.66 - Step 5: Solve for x
x = 557,193,801,977.66/1,206,454.52 - Step 6: Final answer
x = 461,844.02
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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.