Finding the Fourth Proportional to 1,001,049.48, 1,381,695.48 and 571,578.75
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Solution
The fourth proportional to 1,001,049.48, 1,381,695.48 and 571,578.75 is: 788,919.82
Step by Step Solution
- Step 1: Write the proportion equation
1,001,049.48 : 1,381,695.48 = 571,578.75 : x - Step 2: Convert to fraction form
1,001,049.48/1,381,695.48 = 571,578.75/x - Step 3: Cross multiply
1,001,049.48x = 1,381,695.48 × 571,578.75 - Step 4: Simplify right side
1,001,049.48x = 789,747,775,339.05 - Step 5: Solve for x
x = 789,747,775,339.05/1,001,049.48 - Step 6: Final answer
x = 788,919.82
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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.