Finding the Fourth Proportional to 1,136,991.71, 1,704,917.05 and 378,566.03
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Solution
The fourth proportional to 1,136,991.71, 1,704,917.05 and 378,566.03 is: 567,659.09
Step by Step Solution
- Step 1: Write the proportion equation
1,136,991.71 : 1,704,917.05 = 378,566.03 : x - Step 2: Convert to fraction form
1,136,991.71/1,704,917.05 = 378,566.03/x - Step 3: Cross multiply
1,136,991.71x = 1,704,917.05 × 378,566.03 - Step 4: Simplify right side
1,136,991.71x = 645,423,679,097.81 - Step 5: Solve for x
x = 645,423,679,097.81/1,136,991.71 - Step 6: Final answer
x = 567,659.09
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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.