Finding the Fourth Proportional to 1,243,087.18, 1,713,992.94 and 850,809.31
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Solution
The fourth proportional to 1,243,087.18, 1,713,992.94 and 850,809.31 is: 1,173,112.53
Step by Step Solution
- Step 1: Write the proportion equation
1,243,087.18 : 1,713,992.94 = 850,809.31 : x - Step 2: Convert to fraction form
1,243,087.18/1,713,992.94 = 850,809.31/x - Step 3: Cross multiply
1,243,087.18x = 1,713,992.94 × 850,809.31 - Step 4: Simplify right side
1,243,087.18x = 1,458,281,146,341.29 - Step 5: Solve for x
x = 1,458,281,146,341.29/1,243,087.18 - Step 6: Final answer
x = 1,173,112.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.