Finding the Fourth Proportional to 1,166,014.91, 1,609,230.84 and 649,815.95
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Solution
The fourth proportional to 1,166,014.91, 1,609,230.84 and 649,815.95 is: 896,818.61
Step by Step Solution
- Step 1: Write the proportion equation
1,166,014.91 : 1,609,230.84 = 649,815.95 : x - Step 2: Convert to fraction form
1,166,014.91/1,609,230.84 = 649,815.95/x - Step 3: Cross multiply
1,166,014.91x = 1,609,230.84 × 649,815.95 - Step 4: Simplify right side
1,166,014.91x = 1,045,703,867,063.90 - Step 5: Solve for x
x = 1,045,703,867,063.90/1,166,014.91 - Step 6: Final answer
x = 896,818.61
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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.