Finding the Fourth Proportional to 1,220,605.68, 1,830,602.16 and 580,514.40
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Solution
The fourth proportional to 1,220,605.68, 1,830,602.16 and 580,514.40 is: 870,625.90
Step by Step Solution
- Step 1: Write the proportion equation
1,220,605.68 : 1,830,602.16 = 580,514.40 : x - Step 2: Convert to fraction form
1,220,605.68/1,830,602.16 = 580,514.40/x - Step 3: Cross multiply
1,220,605.68x = 1,830,602.16 × 580,514.40 - Step 4: Simplify right side
1,220,605.68x = 1,062,690,914,551.10 - Step 5: Solve for x
x = 1,062,690,914,551.10/1,220,605.68 - Step 6: Final answer
x = 870,625.90
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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.