Finding the Fourth Proportional to 1,186,368.23, 1,637,218.17 and 727,735.70
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Solution
The fourth proportional to 1,186,368.23, 1,637,218.17 and 727,735.70 is: 1,004,293.67
Step by Step Solution
- Step 1: Write the proportion equation
1,186,368.23 : 1,637,218.17 = 727,735.70 : x - Step 2: Convert to fraction form
1,186,368.23/1,637,218.17 = 727,735.70/x - Step 3: Cross multiply
1,186,368.23x = 1,637,218.17 × 727,735.70 - Step 4: Simplify right side
1,186,368.23x = 1,191,462,102,811.58 - Step 5: Solve for x
x = 1,191,462,102,811.58/1,186,368.23 - Step 6: Final answer
x = 1,004,293.67
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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.