Finding the Fourth Proportional to 1,049,689.08, 1,448,768.70 and 657,403.92
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Solution
The fourth proportional to 1,049,689.08, 1,448,768.70 and 657,403.92 is: 907,341.27
Step by Step Solution
- Step 1: Write the proportion equation
1,049,689.08 : 1,448,768.70 = 657,403.92 : x - Step 2: Convert to fraction form
1,049,689.08/1,448,768.70 = 657,403.92/x - Step 3: Cross multiply
1,049,689.08x = 1,448,768.70 × 657,403.92 - Step 4: Simplify right side
1,049,689.08x = 952,426,222,553.30 - Step 5: Solve for x
x = 952,426,222,553.30/1,049,689.08 - Step 6: Final answer
x = 907,341.27
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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.