Finding the Fourth Proportional to 1,144,153.69, 1,578,932.09 and 634,938.01
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Solution
The fourth proportional to 1,144,153.69, 1,578,932.09 and 634,938.01 is: 876,214.45
Step by Step Solution
- Step 1: Write the proportion equation
1,144,153.69 : 1,578,932.09 = 634,938.01 : x - Step 2: Convert to fraction form
1,144,153.69/1,578,932.09 = 634,938.01/x - Step 3: Cross multiply
1,144,153.69x = 1,578,932.09 × 634,938.01 - Step 4: Simplify right side
1,144,153.69x = 1,002,523,994,408.74 - Step 5: Solve for x
x = 1,002,523,994,408.74/1,144,153.69 - Step 6: Final answer
x = 876,214.45
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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.