Finding the Fourth Proportional to 1,218,529.99, 1,681,623.92 and 674,665.76
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Solution
The fourth proportional to 1,218,529.99, 1,681,623.92 and 674,665.76 is: 931,067.84
Step by Step Solution
- Step 1: Write the proportion equation
1,218,529.99 : 1,681,623.92 = 674,665.76 : x - Step 2: Convert to fraction form
1,218,529.99/1,681,623.92 = 674,665.76/x - Step 3: Cross multiply
1,218,529.99x = 1,681,623.92 × 674,665.76 - Step 4: Simplify right side
1,218,529.99x = 1,134,534,081,707.64 - Step 5: Solve for x
x = 1,134,534,081,707.64/1,218,529.99 - Step 6: Final answer
x = 931,067.84
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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.