Finding the Fourth Proportional to 1,295,450.01, 1,787,724.12 and 722,527.09
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Solution
The fourth proportional to 1,295,450.01, 1,787,724.12 and 722,527.09 is: 997,089.11
Step by Step Solution
- Step 1: Write the proportion equation
1,295,450.01 : 1,787,724.12 = 722,527.09 : x - Step 2: Convert to fraction form
1,295,450.01/1,787,724.12 = 722,527.09/x - Step 3: Cross multiply
1,295,450.01x = 1,787,724.12 × 722,527.09 - Step 4: Simplify right side
1,295,450.01x = 1,291,679,100,322.36 - Step 5: Solve for x
x = 1,291,679,100,322.36/1,295,450.01 - Step 6: Final answer
x = 997,089.11
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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.