Finding the Fourth Proportional to 1,117,324.18, 1,541,781.76 and 658,408.96
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Solution
The fourth proportional to 1,117,324.18, 1,541,781.76 and 658,408.96 is: 908,530.34
Step by Step Solution
- Step 1: Write the proportion equation
1,117,324.18 : 1,541,781.76 = 658,408.96 : x - Step 2: Convert to fraction form
1,117,324.18/1,541,781.76 = 658,408.96/x - Step 3: Cross multiply
1,117,324.18x = 1,541,781.76 × 658,408.96 - Step 4: Simplify right side
1,117,324.18x = 1,015,122,921,856.52 - Step 5: Solve for x
x = 1,015,122,921,856.52/1,117,324.18 - Step 6: Final answer
x = 908,530.34
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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.