Finding the Fourth Proportional to 1,207,318.93, 1,665,736.79 and 723,707.62
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Solution
The fourth proportional to 1,207,318.93, 1,665,736.79 and 723,707.62 is: 998,498.72
Step by Step Solution
- Step 1: Write the proportion equation
1,207,318.93 : 1,665,736.79 = 723,707.62 : x - Step 2: Convert to fraction form
1,207,318.93/1,665,736.79 = 723,707.62/x - Step 3: Cross multiply
1,207,318.93x = 1,665,736.79 × 723,707.62 - Step 4: Simplify right side
1,207,318.93x = 1,205,506,405,482.27 - Step 5: Solve for x
x = 1,205,506,405,482.27/1,207,318.93 - Step 6: Final answer
x = 998,498.72
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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.