Finding the Fourth Proportional to 1,123,460.32, 1,685,202.79 and 324,748.79
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Solution
The fourth proportional to 1,123,460.32, 1,685,202.79 and 324,748.79 is: 487,126.74
Step by Step Solution
- Step 1: Write the proportion equation
1,123,460.32 : 1,685,202.79 = 324,748.79 : x - Step 2: Convert to fraction form
1,123,460.32/1,685,202.79 = 324,748.79/x - Step 3: Cross multiply
1,123,460.32x = 1,685,202.79 × 324,748.79 - Step 4: Simplify right side
1,123,460.32x = 547,267,566,957.12 - Step 5: Solve for x
x = 547,267,566,957.12/1,123,460.32 - Step 6: Final answer
x = 487,126.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.