Finding the Fourth Proportional to 1,328,105.48, 1,832,745.22 and 747,360.99
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Solution
The fourth proportional to 1,328,105.48, 1,832,745.22 and 747,360.99 is: 1,031,335.47
Step by Step Solution
- Step 1: Write the proportion equation
1,328,105.48 : 1,832,745.22 = 747,360.99 : x - Step 2: Convert to fraction form
1,328,105.48/1,832,745.22 = 747,360.99/x - Step 3: Cross multiply
1,328,105.48x = 1,832,745.22 × 747,360.99 - Step 4: Simplify right side
1,328,105.48x = 1,369,722,280,168.57 - Step 5: Solve for x
x = 1,369,722,280,168.57/1,328,105.48 - Step 6: Final answer
x = 1,031,335.47
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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.