Finding the Fourth Proportional to 1,304,148.09, 1,799,634.24 and 723,316.44
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Solution
The fourth proportional to 1,304,148.09, 1,799,634.24 and 723,316.44 is: 998,126.70
Step by Step Solution
- Step 1: Write the proportion equation
1,304,148.09 : 1,799,634.24 = 723,316.44 : x - Step 2: Convert to fraction form
1,304,148.09/1,799,634.24 = 723,316.44/x - Step 3: Cross multiply
1,304,148.09x = 1,799,634.24 × 723,316.44 - Step 4: Simplify right side
1,304,148.09x = 1,301,705,031,778.91 - Step 5: Solve for x
x = 1,301,705,031,778.91/1,304,148.09 - Step 6: Final answer
x = 998,126.70
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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.