Finding the Fourth Proportional to 1,320,744.84, 1,981,419.84 and 479,296.68
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Solution
The fourth proportional to 1,320,744.84, 1,981,419.84 and 479,296.68 is: 719,054.83
Step by Step Solution
- Step 1: Write the proportion equation
1,320,744.84 : 1,981,419.84 = 479,296.68 : x - Step 2: Convert to fraction form
1,320,744.84/1,981,419.84 = 479,296.68/x - Step 3: Cross multiply
1,320,744.84x = 1,981,419.84 × 479,296.68 - Step 4: Simplify right side
1,320,744.84x = 949,687,950,998.13 - Step 5: Solve for x
x = 949,687,950,998.13/1,320,744.84 - Step 6: Final answer
x = 719,054.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.