Finding the Fourth Proportional to 1,208,445.68, 1,667,621.73 and 664,581.46
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Solution
The fourth proportional to 1,208,445.68, 1,667,621.73 and 664,581.46 is: 917,104.09
Step by Step Solution
- Step 1: Write the proportion equation
1,208,445.68 : 1,667,621.73 = 664,581.46 : x - Step 2: Convert to fraction form
1,208,445.68/1,667,621.73 = 664,581.46/x - Step 3: Cross multiply
1,208,445.68x = 1,667,621.73 × 664,581.46 - Step 4: Simplify right side
1,208,445.68x = 1,108,270,477,374.47 - Step 5: Solve for x
x = 1,108,270,477,374.47/1,208,445.68 - Step 6: Final answer
x = 917,104.09
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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.