Finding the Fourth Proportional to 1,312,369.92, 1,811,062.26 and 739,594.08
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Solution
The fourth proportional to 1,312,369.92, 1,811,062.26 and 739,594.08 is: 1,020,635.19
Step by Step Solution
- Step 1: Write the proportion equation
1,312,369.92 : 1,811,062.26 = 739,594.08 : x - Step 2: Convert to fraction form
1,312,369.92/1,811,062.26 = 739,594.08/x - Step 3: Cross multiply
1,312,369.92x = 1,811,062.26 × 739,594.08 - Step 4: Simplify right side
1,312,369.92x = 1,339,450,926,007.42 - Step 5: Solve for x
x = 1,339,450,926,007.42/1,312,369.92 - Step 6: Final answer
x = 1,020,635.19
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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.