Finding the Fourth Proportional to 1,165,679.10, 1,608,664.05 and 649,467.18
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Solution
The fourth proportional to 1,165,679.10, 1,608,664.05 and 649,467.18 is: 896,279.69
Step by Step Solution
- Step 1: Write the proportion equation
1,165,679.10 : 1,608,664.05 = 649,467.18 : x - Step 2: Convert to fraction form
1,165,679.10/1,608,664.05 = 649,467.18/x - Step 3: Cross multiply
1,165,679.10x = 1,608,664.05 × 649,467.18 - Step 4: Simplify right side
1,165,679.10x = 1,044,774,504,120.88 - Step 5: Solve for x
x = 1,044,774,504,120.88/1,165,679.10 - Step 6: Final answer
x = 896,279.69
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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.