Finding the Fourth Proportional to 1,238,848.26, 1,858,197.69 and 736,605.38
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Solution
The fourth proportional to 1,238,848.26, 1,858,197.69 and 736,605.38 is: 1,104,863.65
Step by Step Solution
- Step 1: Write the proportion equation
1,238,848.26 : 1,858,197.69 = 736,605.38 : x - Step 2: Convert to fraction form
1,238,848.26/1,858,197.69 = 736,605.38/x - Step 3: Cross multiply
1,238,848.26x = 1,858,197.69 × 736,605.38 - Step 4: Simplify right side
1,238,848.26x = 1,368,758,415,557.57 - Step 5: Solve for x
x = 1,368,758,415,557.57/1,238,848.26 - Step 6: Final answer
x = 1,104,863.65
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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.