Finding the Fourth Proportional to 1,304,534.68, 1,799,915.70 and 753,115.48
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Solution
The fourth proportional to 1,304,534.68, 1,799,915.70 and 753,115.48 is: 1,039,101.83
Step by Step Solution
- Step 1: Write the proportion equation
1,304,534.68 : 1,799,915.70 = 753,115.48 : x - Step 2: Convert to fraction form
1,304,534.68/1,799,915.70 = 753,115.48/x - Step 3: Cross multiply
1,304,534.68x = 1,799,915.70 × 753,115.48 - Step 4: Simplify right side
1,304,534.68x = 1,355,544,376,365.04 - Step 5: Solve for x
x = 1,355,544,376,365.04/1,304,534.68 - Step 6: Final answer
x = 1,039,101.83
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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.