Finding the Fourth Proportional to 1,235,630.38, 1,853,598.21 and 436,747.18
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Solution
The fourth proportional to 1,235,630.38, 1,853,598.21 and 436,747.18 is: 655,174.72
Step by Step Solution
- Step 1: Write the proportion equation
1,235,630.38 : 1,853,598.21 = 436,747.18 : x - Step 2: Convert to fraction form
1,235,630.38/1,853,598.21 = 436,747.18/x - Step 3: Cross multiply
1,235,630.38x = 1,853,598.21 × 436,747.18 - Step 4: Simplify right side
1,235,630.38x = 809,553,791,070.55 - Step 5: Solve for x
x = 809,553,791,070.55/1,235,630.38 - Step 6: Final answer
x = 655,174.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.