Finding the Fourth Proportional to 1,143,946.68, 1,578,835.26 and 634,813.08
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Solution
The fourth proportional to 1,143,946.68, 1,578,835.26 and 634,813.08 is: 876,146.84
Step by Step Solution
- Step 1: Write the proportion equation
1,143,946.68 : 1,578,835.26 = 634,813.08 : x - Step 2: Convert to fraction form
1,143,946.68/1,578,835.26 = 634,813.08/x - Step 3: Cross multiply
1,143,946.68x = 1,578,835.26 × 634,813.08 - Step 4: Simplify right side
1,143,946.68x = 1,002,265,274,213.20 - Step 5: Solve for x
x = 1,002,265,274,213.20/1,143,946.68 - Step 6: Final answer
x = 876,146.84
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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.