Finding the Fourth Proportional to 995,141.88, 1,372,450.68 and 840,849.12
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Solution
The fourth proportional to 995,141.88, 1,372,450.68 and 840,849.12 is: 1,159,657.70
Step by Step Solution
- Step 1: Write the proportion equation
995,141.88 : 1,372,450.68 = 840,849.12 : x - Step 2: Convert to fraction form
995,141.88/1,372,450.68 = 840,849.12/x - Step 3: Cross multiply
995,141.88x = 1,372,450.68 × 840,849.12 - Step 4: Simplify right side
995,141.88x = 1,154,023,946,521.40 - Step 5: Solve for x
x = 1,154,023,946,521.40/995,141.88 - Step 6: Final answer
x = 1,159,657.70
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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.