Finding the Fourth Proportional to 1,192,101.06, 1,645,119 and 648,247.62
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Solution
The fourth proportional to 1,192,101.06, 1,645,119 and 648,247.62 is: 894,592.34
Step by Step Solution
- Step 1: Write the proportion equation
1,192,101.06 : 1,645,119 = 648,247.62 : x - Step 2: Convert to fraction form
1,192,101.06/1,645,119 = 648,247.62/x - Step 3: Cross multiply
1,192,101.06x = 1,645,119 × 648,247.62 - Step 4: Simplify right side
1,192,101.06x = 1,066,444,476,366.78 - Step 5: Solve for x
x = 1,066,444,476,366.78/1,192,101.06 - Step 6: Final answer
x = 894,592.34
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1.5x scale
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.