Finding the Fourth Proportional to 1,207,229.31, 1,665,878.94 and 697,964.49
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Solution
The fourth proportional to 1,207,229.31, 1,665,878.94 and 697,964.49 is: 963,134.62
Step by Step Solution
- Step 1: Write the proportion equation
1,207,229.31 : 1,665,878.94 = 697,964.49 : x - Step 2: Convert to fraction form
1,207,229.31/1,665,878.94 = 697,964.49/x - Step 3: Cross multiply
1,207,229.31x = 1,665,878.94 × 697,964.49 - Step 4: Simplify right side
1,207,229.31x = 1,162,724,344,758.84 - Step 5: Solve for x
x = 1,162,724,344,758.84/1,207,229.31 - Step 6: Final answer
x = 963,134.62
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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.