Finding the Fourth Proportional to 1,360,435.36, 1,877,344.42 and 740,243.09
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Solution
The fourth proportional to 1,360,435.36, 1,877,344.42 and 740,243.09 is: 1,021,504.79
Step by Step Solution
- Step 1: Write the proportion equation
1,360,435.36 : 1,877,344.42 = 740,243.09 : x - Step 2: Convert to fraction form
1,360,435.36/1,877,344.42 = 740,243.09/x - Step 3: Cross multiply
1,360,435.36x = 1,877,344.42 × 740,243.09 - Step 4: Simplify right side
1,360,435.36x = 1,389,691,234,455.06 - Step 5: Solve for x
x = 1,389,691,234,455.06/1,360,435.36 - Step 6: Final answer
x = 1,021,504.79
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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.