Finding the Fourth Proportional to 1,119,651.71, 1,544,963.11 and 629,553.21
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Solution
The fourth proportional to 1,119,651.71, 1,544,963.11 and 629,553.21 is: 868,695.57
Step by Step Solution
- Step 1: Write the proportion equation
1,119,651.71 : 1,544,963.11 = 629,553.21 : x - Step 2: Convert to fraction form
1,119,651.71/1,544,963.11 = 629,553.21/x - Step 3: Cross multiply
1,119,651.71x = 1,544,963.11 × 629,553.21 - Step 4: Simplify right side
1,119,651.71x = 972,636,485,232.08 - Step 5: Solve for x
x = 972,636,485,232.08/1,119,651.71 - Step 6: Final answer
x = 868,695.57
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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.