Finding the Fourth Proportional to 1,304,539.68, 1,799,922.60 and 753,120.48
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Solution
The fourth proportional to 1,304,539.68, 1,799,922.60 and 753,120.48 is: 1,039,108.73
Step by Step Solution
- Step 1: Write the proportion equation
1,304,539.68 : 1,799,922.60 = 753,120.48 : x - Step 2: Convert to fraction form
1,304,539.68/1,799,922.60 = 753,120.48/x - Step 3: Cross multiply
1,304,539.68x = 1,799,922.60 × 753,120.48 - Step 4: Simplify right side
1,304,539.68x = 1,355,558,572,474.85 - Step 5: Solve for x
x = 1,355,558,572,474.85/1,304,539.68 - Step 6: Final answer
x = 1,039,108.73
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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.