Finding the Fourth Proportional to 1,417,256.16, 2,125,891.92 and 419,992.80
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Solution
The fourth proportional to 1,417,256.16, 2,125,891.92 and 419,992.80 is: 629,991.48
Step by Step Solution
- Step 1: Write the proportion equation
1,417,256.16 : 2,125,891.92 = 419,992.80 : x - Step 2: Convert to fraction form
1,417,256.16/2,125,891.92 = 419,992.80/x - Step 3: Cross multiply
1,417,256.16x = 2,125,891.92 × 419,992.80 - Step 4: Simplify right side
1,417,256.16x = 892,859,299,978.18 - Step 5: Solve for x
x = 892,859,299,978.18/1,417,256.16 - Step 6: Final answer
x = 629,991.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.