Finding the Fourth Proportional to 1,225,908.42, 1,690,795.05 and 796,326.96
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Solution
The fourth proportional to 1,225,908.42, 1,690,795.05 and 796,326.96 is: 1,098,308.54
Step by Step Solution
- Step 1: Write the proportion equation
1,225,908.42 : 1,690,795.05 = 796,326.96 : x - Step 2: Convert to fraction form
1,225,908.42/1,690,795.05 = 796,326.96/x - Step 3: Cross multiply
1,225,908.42x = 1,690,795.05 × 796,326.96 - Step 4: Simplify right side
1,225,908.42x = 1,346,425,682,149.55 - Step 5: Solve for x
x = 1,346,425,682,149.55/1,225,908.42 - Step 6: Final answer
x = 1,098,308.54
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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.