Finding the Fourth Proportional to 1,206,497.22, 1,809,968.31 and 396,927.20
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Solution
The fourth proportional to 1,206,497.22, 1,809,968.31 and 396,927.20 is: 595,463.99
Step by Step Solution
- Step 1: Write the proportion equation
1,206,497.22 : 1,809,968.31 = 396,927.20 : x - Step 2: Convert to fraction form
1,206,497.22/1,809,968.31 = 396,927.20/x - Step 3: Cross multiply
1,206,497.22x = 1,809,968.31 × 396,927.20 - Step 4: Simplify right side
1,206,497.22x = 718,425,644,327.19 - Step 5: Solve for x
x = 718,425,644,327.19/1,206,497.22 - Step 6: Final answer
x = 595,463.99
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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.