Finding the Fourth Proportional to 1,217,747.34, 1,680,449.97 and 673,906.05
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Solution
The fourth proportional to 1,217,747.34, 1,680,449.97 and 673,906.05 is: 929,967.46
Step by Step Solution
- Step 1: Write the proportion equation
1,217,747.34 : 1,680,449.97 = 673,906.05 : x - Step 2: Convert to fraction form
1,217,747.34/1,680,449.97 = 673,906.05/x - Step 3: Cross multiply
1,217,747.34x = 1,680,449.97 × 673,906.05 - Step 4: Simplify right side
1,217,747.34x = 1,132,465,401,505.32 - Step 5: Solve for x
x = 1,132,465,401,505.32/1,217,747.34 - Step 6: Final answer
x = 929,967.46
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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.