Finding the Fourth Proportional to 1,186,348.79, 1,637,191.29 and 727,716.26
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Solution
The fourth proportional to 1,186,348.79, 1,637,191.29 and 727,716.26 is: 1,004,266.82
Step by Step Solution
- Step 1: Write the proportion equation
1,186,348.79 : 1,637,191.29 = 727,716.26 : x - Step 2: Convert to fraction form
1,186,348.79/1,637,191.29 = 727,716.26/x - Step 3: Cross multiply
1,186,348.79x = 1,637,191.29 × 727,716.26 - Step 4: Simplify right side
1,186,348.79x = 1,191,410,722,463.38 - Step 5: Solve for x
x = 1,191,410,722,463.38/1,186,348.79 - Step 6: Final answer
x = 1,004,266.82
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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.