Finding the Fourth Proportional to 1,310,958.34, 1,809,294.96 and 738,110.14
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Solution
The fourth proportional to 1,310,958.34, 1,809,294.96 and 738,110.14 is: 1,018,689.09
Step by Step Solution
- Step 1: Write the proportion equation
1,310,958.34 : 1,809,294.96 = 738,110.14 : x - Step 2: Convert to fraction form
1,310,958.34/1,809,294.96 = 738,110.14/x - Step 3: Cross multiply
1,310,958.34x = 1,809,294.96 × 738,110.14 - Step 4: Simplify right side
1,310,958.34x = 1,335,458,956,226.89 - Step 5: Solve for x
x = 1,335,458,956,226.89/1,310,958.34 - Step 6: Final answer
x = 1,018,689.09
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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.