Finding the Fourth Proportional to 1,178,937, 1,623,202.74 and 1,071,184.68
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Solution
The fourth proportional to 1,178,937, 1,623,202.74 and 1,071,184.68 is: 1,474,845.48
Step by Step Solution
- Step 1: Write the proportion equation
1,178,937 : 1,623,202.74 = 1,071,184.68 : x - Step 2: Convert to fraction form
1,178,937/1,623,202.74 = 1,071,184.68/x - Step 3: Cross multiply
1,178,937x = 1,623,202.74 × 1,071,184.68 - Step 4: Simplify right side
1,178,937x = 1,738,749,907,622.02 - Step 5: Solve for x
x = 1,738,749,907,622.02/1,178,937 - Step 6: Final answer
x = 1,474,845.48
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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.