Finding the Fourth Proportional to 1,206,460.52, 1,809,689.74 and 307,902.18
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Solution
The fourth proportional to 1,206,460.52, 1,809,689.74 and 307,902.18 is: 461,853.00
Step by Step Solution
- Step 1: Write the proportion equation
1,206,460.52 : 1,809,689.74 = 307,902.18 : x - Step 2: Convert to fraction form
1,206,460.52/1,809,689.74 = 307,902.18/x - Step 3: Cross multiply
1,206,460.52x = 1,809,689.74 × 307,902.18 - Step 4: Simplify right side
1,206,460.52x = 557,207,416,069.63 - Step 5: Solve for x
x = 557,207,416,069.63/1,206,460.52 - Step 6: Final answer
x = 461,853.00
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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.