Finding the Fourth Proportional to 1,318,153.48, 1,975,900.74 and 519,126.28
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Solution
The fourth proportional to 1,318,153.48, 1,975,900.74 and 519,126.28 is: 778,165.83
Step by Step Solution
- Step 1: Write the proportion equation
1,318,153.48 : 1,975,900.74 = 519,126.28 : x - Step 2: Convert to fraction form
1,318,153.48/1,975,900.74 = 519,126.28/x - Step 3: Cross multiply
1,318,153.48x = 1,975,900.74 × 519,126.28 - Step 4: Simplify right side
1,318,153.48x = 1,025,742,000,805.45 - Step 5: Solve for x
x = 1,025,742,000,805.45/1,318,153.48 - Step 6: Final answer
x = 778,165.83
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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.