Finding the Fourth Proportional to 1,246,129.79, 1,719,656.93 and 673,168.19
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Solution
The fourth proportional to 1,246,129.79, 1,719,656.93 and 673,168.19 is: 928,970.92
Step by Step Solution
- Step 1: Write the proportion equation
1,246,129.79 : 1,719,656.93 = 673,168.19 : x - Step 2: Convert to fraction form
1,246,129.79/1,719,656.93 = 673,168.19/x - Step 3: Cross multiply
1,246,129.79x = 1,719,656.93 × 673,168.19 - Step 4: Simplify right side
1,246,129.79x = 1,157,618,336,073.69 - Step 5: Solve for x
x = 1,157,618,336,073.69/1,246,129.79 - Step 6: Final answer
x = 928,970.92
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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.