Finding the Fourth Proportional to 1,186,386.44, 1,637,243.63 and 727,754.09
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Solution
The fourth proportional to 1,186,386.44, 1,637,243.63 and 727,754.09 is: 1,004,319.25
Step by Step Solution
- Step 1: Write the proportion equation
1,186,386.44 : 1,637,243.63 = 727,754.09 : x - Step 2: Convert to fraction form
1,186,386.44/1,637,243.63 = 727,754.09/x - Step 3: Cross multiply
1,186,386.44x = 1,637,243.63 × 727,754.09 - Step 4: Simplify right side
1,186,386.44x = 1,191,510,736,233.96 - Step 5: Solve for x
x = 1,191,510,736,233.96/1,186,386.44 - Step 6: Final answer
x = 1,004,319.25
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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.