Finding the Fourth Proportional to 1,304,317.40, 1,799,956.35 and 723,628.62
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Solution
The fourth proportional to 1,304,317.40, 1,799,956.35 and 723,628.62 is: 998,606.58
Step by Step Solution
- Step 1: Write the proportion equation
1,304,317.40 : 1,799,956.35 = 723,628.62 : x - Step 2: Convert to fraction form
1,304,317.40/1,799,956.35 = 723,628.62/x - Step 3: Cross multiply
1,304,317.40x = 1,799,956.35 × 723,628.62 - Step 4: Simplify right side
1,304,317.40x = 1,302,499,929,610.74 - Step 5: Solve for x
x = 1,302,499,929,610.74/1,304,317.40 - Step 6: Final answer
x = 998,606.58
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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.