Finding the Fourth Proportional to 1,316,458.08, 1,816,709.04 and 712,846.08
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Solution
The fourth proportional to 1,316,458.08, 1,816,709.04 and 712,846.08 is: 983,725.91
Step by Step Solution
- Step 1: Write the proportion equation
1,316,458.08 : 1,816,709.04 = 712,846.08 : x - Step 2: Convert to fraction form
1,316,458.08/1,816,709.04 = 712,846.08/x - Step 3: Cross multiply
1,316,458.08x = 1,816,709.04 × 712,846.08 - Step 4: Simplify right side
1,316,458.08x = 1,295,033,917,664.56 - Step 5: Solve for x
x = 1,295,033,917,664.56/1,316,458.08 - Step 6: Final answer
x = 983,725.91
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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.