Finding the Fourth Proportional to 1,125,146.25, 1,552,716.41 and 615,837.69
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Solution
The fourth proportional to 1,125,146.25, 1,552,716.41 and 615,837.69 is: 849,863.99
Step by Step Solution
- Step 1: Write the proportion equation
1,125,146.25 : 1,552,716.41 = 615,837.69 : x - Step 2: Convert to fraction form
1,125,146.25/1,552,716.41 = 615,837.69/x - Step 3: Cross multiply
1,125,146.25x = 1,552,716.41 × 615,837.69 - Step 4: Simplify right side
1,125,146.25x = 956,221,284,080.30 - Step 5: Solve for x
x = 956,221,284,080.30/1,125,146.25 - Step 6: Final answer
x = 849,863.99
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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.