Finding the Fourth Proportional to 1,110,721.10, 1,664,960.00 and 437,275.08
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Solution
The fourth proportional to 1,110,721.10, 1,664,960.00 and 437,275.08 is: 655,471.05
Step by Step Solution
- Step 1: Write the proportion equation
1,110,721.10 : 1,664,960.00 = 437,275.08 : x - Step 2: Convert to fraction form
1,110,721.10/1,664,960.00 = 437,275.08/x - Step 3: Cross multiply
1,110,721.10x = 1,664,960.00 × 437,275.08 - Step 4: Simplify right side
1,110,721.10x = 728,045,523,713.70 - Step 5: Solve for x
x = 728,045,523,713.70/1,110,721.10 - Step 6: Final answer
x = 655,471.05
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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.