Finding the Fourth Proportional to 1,303,459.13, 1,798,880.09 and 722,864.09
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Solution
The fourth proportional to 1,303,459.13, 1,798,880.09 and 722,864.09 is: 997,611.50
Step by Step Solution
- Step 1: Write the proportion equation
1,303,459.13 : 1,798,880.09 = 722,864.09 : x - Step 2: Convert to fraction form
1,303,459.13/1,798,880.09 = 722,864.09/x - Step 3: Cross multiply
1,303,459.13x = 1,798,880.09 × 722,864.09 - Step 4: Simplify right side
1,303,459.13x = 1,300,345,815,662.65 - Step 5: Solve for x
x = 1,300,345,815,662.65/1,303,459.13 - Step 6: Final answer
x = 997,611.50
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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.