Finding the Fourth Proportional to 1,005,997.68, 1,388,160.36 and 576,252.18
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Solution
The fourth proportional to 1,005,997.68, 1,388,160.36 and 576,252.18 is: 795,161.31
Step by Step Solution
- Step 1: Write the proportion equation
1,005,997.68 : 1,388,160.36 = 576,252.18 : x - Step 2: Convert to fraction form
1,005,997.68/1,388,160.36 = 576,252.18/x - Step 3: Cross multiply
1,005,997.68x = 1,388,160.36 × 576,252.18 - Step 4: Simplify right side
1,005,997.68x = 799,930,433,639.59 - Step 5: Solve for x
x = 799,930,433,639.59/1,005,997.68 - Step 6: Final answer
x = 795,161.31
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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.