Finding the Fourth Proportional to 1,240,846.62, 1,712,369.24 and 696,982.70
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Solution
The fourth proportional to 1,240,846.62, 1,712,369.24 and 696,982.70 is: 961,836.63
Step by Step Solution
- Step 1: Write the proportion equation
1,240,846.62 : 1,712,369.24 = 696,982.70 : x - Step 2: Convert to fraction form
1,240,846.62/1,712,369.24 = 696,982.70/x - Step 3: Cross multiply
1,240,846.62x = 1,712,369.24 × 696,982.70 - Step 4: Simplify right side
1,240,846.62x = 1,193,491,736,292.15 - Step 5: Solve for x
x = 1,193,491,736,292.15/1,240,846.62 - Step 6: Final answer
x = 961,836.63
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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.