Finding the Fourth Proportional to 1,253,162.16, 1,729,365.12 and 680,202.18
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Solution
The fourth proportional to 1,253,162.16, 1,729,365.12 and 680,202.18 is: 938,679.74
Step by Step Solution
- Step 1: Write the proportion equation
1,253,162.16 : 1,729,365.12 = 680,202.18 : x - Step 2: Convert to fraction form
1,253,162.16/1,729,365.12 = 680,202.18/x - Step 3: Cross multiply
1,253,162.16x = 1,729,365.12 × 680,202.18 - Step 4: Simplify right side
1,253,162.16x = 1,176,317,924,639.96 - Step 5: Solve for x
x = 1,176,317,924,639.96/1,253,162.16 - Step 6: Final answer
x = 938,679.74
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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.