Finding the Fourth Proportional to 1,311,493.14, 1,967,504.92 and 553,336.49
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Solution
The fourth proportional to 1,311,493.14, 1,967,504.92 and 553,336.49 is: 830,116.63
Step by Step Solution
- Step 1: Write the proportion equation
1,311,493.14 : 1,967,504.92 = 553,336.49 : x - Step 2: Convert to fraction form
1,311,493.14/1,967,504.92 = 553,336.49/x - Step 3: Cross multiply
1,311,493.14x = 1,967,504.92 × 553,336.49 - Step 4: Simplify right side
1,311,493.14x = 1,088,692,270,025.95 - Step 5: Solve for x
x = 1,088,692,270,025.95/1,311,493.14 - Step 6: Final answer
x = 830,116.63
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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.