Finding the Fourth Proportional to 1,143,950.68, 1,578,840.78 and 634,817.08
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Solution
The fourth proportional to 1,143,950.68, 1,578,840.78 and 634,817.08 is: 876,152.37
Step by Step Solution
- Step 1: Write the proportion equation
1,143,950.68 : 1,578,840.78 = 634,817.08 : x - Step 2: Convert to fraction form
1,143,950.68/1,578,840.78 = 634,817.08/x - Step 3: Cross multiply
1,143,950.68x = 1,578,840.78 × 634,817.08 - Step 4: Simplify right side
1,143,950.68x = 1,002,275,093,744.52 - Step 5: Solve for x
x = 1,002,275,093,744.52/1,143,950.68 - Step 6: Final answer
x = 876,152.37
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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.