Finding the Fourth Proportional to 1,152,816.36, 1,590,676.84 and 809,700.68
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Solution
The fourth proportional to 1,152,816.36, 1,590,676.84 and 809,700.68 is: 1,117,239.63
Step by Step Solution
- Step 1: Write the proportion equation
1,152,816.36 : 1,590,676.84 = 809,700.68 : x - Step 2: Convert to fraction form
1,152,816.36/1,590,676.84 = 809,700.68/x - Step 3: Cross multiply
1,152,816.36x = 1,590,676.84 × 809,700.68 - Step 4: Simplify right side
1,152,816.36x = 1,287,972,119,008.25 - Step 5: Solve for x
x = 1,287,972,119,008.25/1,152,816.36 - Step 6: Final answer
x = 1,117,239.63
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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.