Finding the Fourth Proportional to 1,349,867.68, 1,863,286.52 and 777,136.12
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Solution
The fourth proportional to 1,349,867.68, 1,863,286.52 and 777,136.12 is: 1,072,717.92
Step by Step Solution
- Step 1: Write the proportion equation
1,349,867.68 : 1,863,286.52 = 777,136.12 : x - Step 2: Convert to fraction form
1,349,867.68/1,863,286.52 = 777,136.12/x - Step 3: Cross multiply
1,349,867.68x = 1,863,286.52 × 777,136.12 - Step 4: Simplify right side
1,349,867.68x = 1,448,027,256,601.10 - Step 5: Solve for x
x = 1,448,027,256,601.10/1,349,867.68 - Step 6: Final answer
x = 1,072,717.92
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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.