Finding the Fourth Proportional to 1,118,363.97, 1,543,385.97 and 634,974.12
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Solution
The fourth proportional to 1,118,363.97, 1,543,385.97 and 634,974.12 is: 876,289.09
Step by Step Solution
- Step 1: Write the proportion equation
1,118,363.97 : 1,543,385.97 = 634,974.12 : x - Step 2: Convert to fraction form
1,118,363.97/1,543,385.97 = 634,974.12/x - Step 3: Cross multiply
1,118,363.97x = 1,543,385.97 × 634,974.12 - Step 4: Simplify right side
1,118,363.97x = 980,010,148,121.10 - Step 5: Solve for x
x = 980,010,148,121.10/1,118,363.97 - Step 6: Final answer
x = 876,289.09
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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.