Finding the Fourth Proportional to 1,243,322.24, 1,715,623.36 and 699,439.68
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Solution
The fourth proportional to 1,243,322.24, 1,715,623.36 and 699,439.68 is: 965,136.00
Step by Step Solution
- Step 1: Write the proportion equation
1,243,322.24 : 1,715,623.36 = 699,439.68 : x - Step 2: Convert to fraction form
1,243,322.24/1,715,623.36 = 699,439.68/x - Step 3: Cross multiply
1,243,322.24x = 1,715,623.36 × 699,439.68 - Step 4: Simplify right side
1,243,322.24x = 1,199,975,053,918.93 - Step 5: Solve for x
x = 1,199,975,053,918.93/1,243,322.24 - Step 6: Final answer
x = 965,136.00
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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.