Finding the Fourth Proportional to 1,154,491.94, 1,593,269.62 and 645,234.98
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Solution
The fourth proportional to 1,154,491.94, 1,593,269.62 and 645,234.98 is: 890,463.81
Step by Step Solution
- Step 1: Write the proportion equation
1,154,491.94 : 1,593,269.62 = 645,234.98 : x - Step 2: Convert to fraction form
1,154,491.94/1,593,269.62 = 645,234.98/x - Step 3: Cross multiply
1,154,491.94x = 1,593,269.62 × 645,234.98 - Step 4: Simplify right side
1,154,491.94x = 1,028,033,291,395.31 - Step 5: Solve for x
x = 1,028,033,291,395.31/1,154,491.94 - Step 6: Final answer
x = 890,463.81
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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.