Finding the Fourth Proportional to 1,192,402.62, 1,645,234.74 and 805,938.66
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Solution
The fourth proportional to 1,192,402.62, 1,645,234.74 and 805,938.66 is: 1,112,005.51
Step by Step Solution
- Step 1: Write the proportion equation
1,192,402.62 : 1,645,234.74 = 805,938.66 : x - Step 2: Convert to fraction form
1,192,402.62/1,645,234.74 = 805,938.66/x - Step 3: Cross multiply
1,192,402.62x = 1,645,234.74 × 805,938.66 - Step 4: Simplify right side
1,192,402.62x = 1,325,958,281,741.05 - Step 5: Solve for x
x = 1,325,958,281,741.05/1,192,402.62 - Step 6: Final answer
x = 1,112,005.51
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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.