Finding the Fourth Proportional to 1,143,951.68, 1,578,842.16 and 634,818.08
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Solution
The fourth proportional to 1,143,951.68, 1,578,842.16 and 634,818.08 is: 876,153.75
Step by Step Solution
- Step 1: Write the proportion equation
1,143,951.68 : 1,578,842.16 = 634,818.08 : x - Step 2: Convert to fraction form
1,143,951.68/1,578,842.16 = 634,818.08/x - Step 3: Cross multiply
1,143,951.68x = 1,578,842.16 × 634,818.08 - Step 4: Simplify right side
1,143,951.68x = 1,002,277,548,634.25 - Step 5: Solve for x
x = 1,002,277,548,634.25/1,143,951.68 - Step 6: Final answer
x = 876,153.75
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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.