Finding the Fourth Proportional to 1,178,341.32, 1,626,157.98 and 669,091.08
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Solution
The fourth proportional to 1,178,341.32, 1,626,157.98 and 669,091.08 is: 923,372.35
Step by Step Solution
- Step 1: Write the proportion equation
1,178,341.32 : 1,626,157.98 = 669,091.08 : x - Step 2: Convert to fraction form
1,178,341.32/1,626,157.98 = 669,091.08/x - Step 3: Cross multiply
1,178,341.32x = 1,626,157.98 × 669,091.08 - Step 4: Simplify right side
1,178,341.32x = 1,088,047,799,088.82 - Step 5: Solve for x
x = 1,088,047,799,088.82/1,178,341.32 - Step 6: Final answer
x = 923,372.35
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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.