Finding the Fourth Proportional to 1,006,706.44, 1,389,236.92 and 547,805.36
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Solution
The fourth proportional to 1,006,706.44, 1,389,236.92 and 547,805.36 is: 755,961.62
Step by Step Solution
- Step 1: Write the proportion equation
1,006,706.44 : 1,389,236.92 = 547,805.36 : x - Step 2: Convert to fraction form
1,006,706.44/1,389,236.92 = 547,805.36/x - Step 3: Cross multiply
1,006,706.44x = 1,389,236.92 × 547,805.36 - Step 4: Simplify right side
1,006,706.44x = 761,031,431,085.89 - Step 5: Solve for x
x = 761,031,431,085.89/1,006,706.44 - Step 6: Final answer
x = 755,961.62
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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.