Finding the Fourth Proportional to 1,144,025.81, 1,578,755.81 and 634,726.97
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Solution
The fourth proportional to 1,144,025.81, 1,578,755.81 and 634,726.97 is: 875,923.33
Step by Step Solution
- Step 1: Write the proportion equation
1,144,025.81 : 1,578,755.81 = 634,726.97 : x - Step 2: Convert to fraction form
1,144,025.81/1,578,755.81 = 634,726.97/x - Step 3: Cross multiply
1,144,025.81x = 1,578,755.81 × 634,726.97 - Step 4: Simplify right side
1,144,025.81x = 1,002,078,891,651.20 - Step 5: Solve for x
x = 1,002,078,891,651.20/1,144,025.81 - Step 6: Final answer
x = 875,923.33
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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.