Finding the Fourth Proportional to 1,067,859.74, 1,473,714.87 and 615,142.94
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Solution
The fourth proportional to 1,067,859.74, 1,473,714.87 and 615,142.94 is: 848,936.68
Step by Step Solution
- Step 1: Write the proportion equation
1,067,859.74 : 1,473,714.87 = 615,142.94 : x - Step 2: Convert to fraction form
1,067,859.74/1,473,714.87 = 615,142.94/x - Step 3: Cross multiply
1,067,859.74x = 1,473,714.87 × 615,142.94 - Step 4: Simplify right side
1,067,859.74x = 906,545,297,853.52 - Step 5: Solve for x
x = 906,545,297,853.52/1,067,859.74 - Step 6: Final answer
x = 848,936.68
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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.