Finding the Fourth Proportional to 1,006,128.14, 1,388,474.73 and 547,252.74
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Solution
The fourth proportional to 1,006,128.14, 1,388,474.73 and 547,252.74 is: 755,218.52
Step by Step Solution
- Step 1: Write the proportion equation
1,006,128.14 : 1,388,474.73 = 547,252.74 : x - Step 2: Convert to fraction form
1,006,128.14/1,388,474.73 = 547,252.74/x - Step 3: Cross multiply
1,006,128.14x = 1,388,474.73 × 547,252.74 - Step 4: Simplify right side
1,006,128.14x = 759,846,600,413.26 - Step 5: Solve for x
x = 759,846,600,413.26/1,006,128.14 - Step 6: Final answer
x = 755,218.52
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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.