Finding the Fourth Proportional to 1,093,771.20, 1,509,721 and 634,988.82
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Solution
The fourth proportional to 1,093,771.20, 1,509,721 and 634,988.82 is: 876,468.46
Step by Step Solution
- Step 1: Write the proportion equation
1,093,771.20 : 1,509,721 = 634,988.82 : x - Step 2: Convert to fraction form
1,093,771.20/1,509,721 = 634,988.82/x - Step 3: Cross multiply
1,093,771.20x = 1,509,721 × 634,988.82 - Step 4: Simplify right side
1,093,771.20x = 958,655,956,319.22 - Step 5: Solve for x
x = 958,655,956,319.22/1,093,771.20 - Step 6: Final answer
x = 876,468.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.