Finding the Fourth Proportional to 1,238,272.96, 1,858,237.92 and 450,304.96
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Solution
The fourth proportional to 1,238,272.96, 1,858,237.92 and 450,304.96 is: 675,758.72
Step by Step Solution
- Step 1: Write the proportion equation
1,238,272.96 : 1,858,237.92 = 450,304.96 : x - Step 2: Convert to fraction form
1,238,272.96/1,858,237.92 = 450,304.96/x - Step 3: Cross multiply
1,238,272.96x = 1,858,237.92 × 450,304.96 - Step 4: Simplify right side
1,238,272.96x = 836,773,752,236.08 - Step 5: Solve for x
x = 836,773,752,236.08/1,238,272.96 - Step 6: Final answer
x = 675,758.72
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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.