Finding the Fourth Proportional to 987,553.02, 1,362,277.49 and 803,989.05
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Solution
The fourth proportional to 987,553.02, 1,362,277.49 and 803,989.05 is: 1,109,060.64
Step by Step Solution
- Step 1: Write the proportion equation
987,553.02 : 1,362,277.49 = 803,989.05 : x - Step 2: Convert to fraction form
987,553.02/1,362,277.49 = 803,989.05/x - Step 3: Cross multiply
987,553.02x = 1,362,277.49 × 803,989.05 - Step 4: Simplify right side
987,553.02x = 1,095,256,181,001.54 - Step 5: Solve for x
x = 1,095,256,181,001.54/987,553.02 - Step 6: Final answer
x = 1,109,060.64
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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.