Finding the Fourth Proportional to 1,219,324.68, 1,830,121.74 and 620,733.96
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Solution
The fourth proportional to 1,219,324.68, 1,830,121.74 and 620,733.96 is: 931,678.60
Step by Step Solution
- Step 1: Write the proportion equation
1,219,324.68 : 1,830,121.74 = 620,733.96 : x - Step 2: Convert to fraction form
1,219,324.68/1,830,121.74 = 620,733.96/x - Step 3: Cross multiply
1,219,324.68x = 1,830,121.74 × 620,733.96 - Step 4: Simplify right side
1,219,324.68x = 1,136,018,714,952.29 - Step 5: Solve for x
x = 1,136,018,714,952.29/1,219,324.68 - Step 6: Final answer
x = 931,678.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.