Finding the Fourth Proportional to 1,213,498.44, 1,675,163.86 and 783,986.76
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Solution
The fourth proportional to 1,213,498.44, 1,675,163.86 and 783,986.76 is: 1,082,248.02
Step by Step Solution
- Step 1: Write the proportion equation
1,213,498.44 : 1,675,163.86 = 783,986.76 : x - Step 2: Convert to fraction form
1,213,498.44/1,675,163.86 = 783,986.76/x - Step 3: Cross multiply
1,213,498.44x = 1,675,163.86 × 783,986.76 - Step 4: Simplify right side
1,213,498.44x = 1,313,306,287,070.49 - Step 5: Solve for x
x = 1,313,306,287,070.49/1,213,498.44 - Step 6: Final answer
x = 1,082,248.02
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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.