Finding the Fourth Proportional to 1,319,814.03, 1,821,343.35 and 716,202.03
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Solution
The fourth proportional to 1,319,814.03, 1,821,343.35 and 716,202.03 is: 988,358.79
Step by Step Solution
- Step 1: Write the proportion equation
1,319,814.03 : 1,821,343.35 = 716,202.03 : x - Step 2: Convert to fraction form
1,319,814.03/1,821,343.35 = 716,202.03/x - Step 3: Cross multiply
1,319,814.03x = 1,821,343.35 × 716,202.03 - Step 4: Simplify right side
1,319,814.03x = 1,304,449,795,490.28 - Step 5: Solve for x
x = 1,304,449,795,490.28/1,319,814.03 - Step 6: Final answer
x = 988,358.79
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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.