Finding the Fourth Proportional to 1,018,964.97, 1,527,857.07 and 419,248.68
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Solution
The fourth proportional to 1,018,964.97, 1,527,857.07 and 419,248.68 is: 628,630.11
Step by Step Solution
- Step 1: Write the proportion equation
1,018,964.97 : 1,527,857.07 = 419,248.68 : x - Step 2: Convert to fraction form
1,018,964.97/1,527,857.07 = 419,248.68/x - Step 3: Cross multiply
1,018,964.97x = 1,527,857.07 × 419,248.68 - Step 4: Simplify right side
1,018,964.97x = 640,552,059,826.17 - Step 5: Solve for x
x = 640,552,059,826.17/1,018,964.97 - Step 6: Final answer
x = 628,630.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.