Finding the Fourth Proportional to 1,107,067.68, 1,527,717.24 and 699,386.58
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Solution
The fourth proportional to 1,107,067.68, 1,527,717.24 and 699,386.58 is: 965,130.64
Step by Step Solution
- Step 1: Write the proportion equation
1,107,067.68 : 1,527,717.24 = 699,386.58 : x - Step 2: Convert to fraction form
1,107,067.68/1,527,717.24 = 699,386.58/x - Step 3: Cross multiply
1,107,067.68x = 1,527,717.24 × 699,386.58 - Step 4: Simplify right side
1,107,067.68x = 1,068,464,935,690.64 - Step 5: Solve for x
x = 1,068,464,935,690.64/1,107,067.68 - Step 6: Final answer
x = 965,130.64
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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.