Finding the Fourth Proportional to 1,001,125.41, 1,381,549.73 and 542,238.84
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Solution
The fourth proportional to 1,001,125.41, 1,381,549.73 and 542,238.84 is: 748,287.79
Step by Step Solution
- Step 1: Write the proportion equation
1,001,125.41 : 1,381,549.73 = 542,238.84 : x - Step 2: Convert to fraction form
1,001,125.41/1,381,549.73 = 542,238.84/x - Step 3: Cross multiply
1,001,125.41x = 1,381,549.73 × 542,238.84 - Step 4: Simplify right side
1,001,125.41x = 749,129,922,997.51 - Step 5: Solve for x
x = 749,129,922,997.51/1,001,125.41 - Step 6: Final answer
x = 748,287.79
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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.