Finding the Fourth Proportional to 1,119,992.40, 1,679,551.80 and 488,475.60
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Solution
The fourth proportional to 1,119,992.40, 1,679,551.80 and 488,475.60 is: 732,522.89
Step by Step Solution
- Step 1: Write the proportion equation
1,119,992.40 : 1,679,551.80 = 488,475.60 : x - Step 2: Convert to fraction form
1,119,992.40/1,679,551.80 = 488,475.60/x - Step 3: Cross multiply
1,119,992.40x = 1,679,551.80 × 488,475.60 - Step 4: Simplify right side
1,119,992.40x = 820,420,073,236.08 - Step 5: Solve for x
x = 820,420,073,236.08/1,119,992.40 - Step 6: Final answer
x = 732,522.89
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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.