Finding the Fourth Proportional to 1,110,514.72, 1,532,369.49 and 651,461.80
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Solution
The fourth proportional to 1,110,514.72, 1,532,369.49 and 651,461.80 is: 898,934.67
Step by Step Solution
- Step 1: Write the proportion equation
1,110,514.72 : 1,532,369.49 = 651,461.80 : x - Step 2: Convert to fraction form
1,110,514.72/1,532,369.49 = 651,461.80/x - Step 3: Cross multiply
1,110,514.72x = 1,532,369.49 × 651,461.80 - Step 4: Simplify right side
1,110,514.72x = 998,280,186,220.48 - Step 5: Solve for x
x = 998,280,186,220.48/1,110,514.72 - Step 6: Final answer
x = 898,934.67
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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.