Finding the Fourth Proportional to 1,042,272.90, 1,436,370.84 and 835,306.20
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Solution
The fourth proportional to 1,042,272.90, 1,436,370.84 and 835,306.20 is: 1,151,147.14
Step by Step Solution
- Step 1: Write the proportion equation
1,042,272.90 : 1,436,370.84 = 835,306.20 : x - Step 2: Convert to fraction form
1,042,272.90/1,436,370.84 = 835,306.20/x - Step 3: Cross multiply
1,042,272.90x = 1,436,370.84 × 835,306.20 - Step 4: Simplify right side
1,042,272.90x = 1,199,809,468,151.21 - Step 5: Solve for x
x = 1,199,809,468,151.21/1,042,272.90 - Step 6: Final answer
x = 1,151,147.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.