Finding the Fourth Proportional to 1,316,085.68, 1,816,198.80 and 712,473.68
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Solution
The fourth proportional to 1,316,085.68, 1,816,198.80 and 712,473.68 is: 983,213.98
Step by Step Solution
- Step 1: Write the proportion equation
1,316,085.68 : 1,816,198.80 = 712,473.68 : x - Step 2: Convert to fraction form
1,316,085.68/1,816,198.80 = 712,473.68/x - Step 3: Cross multiply
1,316,085.68x = 1,816,198.80 × 712,473.68 - Step 4: Simplify right side
1,316,085.68x = 1,293,993,842,647.58 - Step 5: Solve for x
x = 1,293,993,842,647.58/1,316,085.68 - Step 6: Final answer
x = 983,213.98
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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.