Finding the Fourth Proportional to 1,306,010.75, 1,802,195.96 and 732,940.21
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Solution
The fourth proportional to 1,306,010.75, 1,802,195.96 and 732,940.21 is: 1,011,402.00
Step by Step Solution
- Step 1: Write the proportion equation
1,306,010.75 : 1,802,195.96 = 732,940.21 : x - Step 2: Convert to fraction form
1,306,010.75/1,802,195.96 = 732,940.21/x - Step 3: Cross multiply
1,306,010.75x = 1,802,195.96 × 732,940.21 - Step 4: Simplify right side
1,306,010.75x = 1,320,901,883,068.09 - Step 5: Solve for x
x = 1,320,901,883,068.09/1,306,010.75 - Step 6: Final answer
x = 1,011,402.00
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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.