Finding the Fourth Proportional to 1,072,491.84, 1,479,678.62 and 607,282.13
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Solution
The fourth proportional to 1,072,491.84, 1,479,678.62 and 607,282.13 is: 837,845.42
Step by Step Solution
- Step 1: Write the proportion equation
1,072,491.84 : 1,479,678.62 = 607,282.13 : x - Step 2: Convert to fraction form
1,072,491.84/1,479,678.62 = 607,282.13/x - Step 3: Cross multiply
1,072,491.84x = 1,479,678.62 × 607,282.13 - Step 4: Simplify right side
1,072,491.84x = 898,582,379,824.62 - Step 5: Solve for x
x = 898,582,379,824.62/1,072,491.84 - Step 6: Final answer
x = 837,845.42
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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.