Finding the Fourth Proportional to 1,251,620.09, 1,727,269.68 and 707,837.19
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Solution
The fourth proportional to 1,251,620.09, 1,727,269.68 and 707,837.19 is: 976,834.53
Step by Step Solution
- Step 1: Write the proportion equation
1,251,620.09 : 1,727,269.68 = 707,837.19 : x - Step 2: Convert to fraction form
1,251,620.09/1,727,269.68 = 707,837.19/x - Step 3: Cross multiply
1,251,620.09x = 1,727,269.68 × 707,837.19 - Step 4: Simplify right side
1,251,620.09x = 1,222,625,716,663.40 - Step 5: Solve for x
x = 1,222,625,716,663.40/1,251,620.09 - Step 6: Final answer
x = 976,834.53
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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.