Finding the Fourth Proportional to 1,043,903.75, 1,565,855.64 and 255,935.75
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Solution
The fourth proportional to 1,043,903.75, 1,565,855.64 and 255,935.75 is: 383,903.63
Step by Step Solution
- Step 1: Write the proportion equation
1,043,903.75 : 1,565,855.64 = 255,935.75 : x - Step 2: Convert to fraction form
1,043,903.75/1,565,855.64 = 255,935.75/x - Step 3: Cross multiply
1,043,903.75x = 1,565,855.64 × 255,935.75 - Step 4: Simplify right side
1,043,903.75x = 400,758,437,615.13 - Step 5: Solve for x
x = 400,758,437,615.13/1,043,903.75 - Step 6: Final answer
x = 383,903.63
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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.