Finding the Fourth Proportional to 1,235,534.80, 1,853,302.20 and 437,717.20
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Solution
The fourth proportional to 1,235,534.80, 1,853,302.20 and 437,717.20 is: 656,575.80
Step by Step Solution
- Step 1: Write the proportion equation
1,235,534.80 : 1,853,302.20 = 437,717.20 : x - Step 2: Convert to fraction form
1,235,534.80/1,853,302.20 = 437,717.20/x - Step 3: Cross multiply
1,235,534.80x = 1,853,302.20 × 437,717.20 - Step 4: Simplify right side
1,235,534.80x = 811,222,249,737.84 - Step 5: Solve for x
x = 811,222,249,737.84/1,235,534.80 - Step 6: Final answer
x = 656,575.80
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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.