Finding the Fourth Proportional to 818,625.94, 1,121,521.62 and 787,944.68
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Solution
The fourth proportional to 818,625.94, 1,121,521.62 and 787,944.68 is: 1,079,488.14
Step by Step Solution
- Step 1: Write the proportion equation
818,625.94 : 1,121,521.62 = 787,944.68 : x - Step 2: Convert to fraction form
818,625.94/1,121,521.62 = 787,944.68/x - Step 3: Cross multiply
818,625.94x = 1,121,521.62 × 787,944.68 - Step 4: Simplify right side
818,625.94x = 883,696,993,983.98 - Step 5: Solve for x
x = 883,696,993,983.98/818,625.94 - Step 6: Final answer
x = 1,079,488.14
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.