Finding the Fourth Proportional to 1,124,910.21, 1,552,375.08 and 634,982.85
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Solution
The fourth proportional to 1,124,910.21, 1,552,375.08 and 634,982.85 is: 876,275.76
Step by Step Solution
- Step 1: Write the proportion equation
1,124,910.21 : 1,552,375.08 = 634,982.85 : x - Step 2: Convert to fraction form
1,124,910.21/1,552,375.08 = 634,982.85/x - Step 3: Cross multiply
1,124,910.21x = 1,552,375.08 × 634,982.85 - Step 4: Simplify right side
1,124,910.21x = 985,731,552,567.38 - Step 5: Solve for x
x = 985,731,552,567.38/1,124,910.21 - Step 6: Final answer
x = 876,275.76
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1.5x scale
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.