Finding the Fourth Proportional to 1,069,453.26, 1,475,293.47 and 725,172.68
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Solution
The fourth proportional to 1,069,453.26, 1,475,293.47 and 725,172.68 is: 1,000,363.97
Step by Step Solution
- Step 1: Write the proportion equation
1,069,453.26 : 1,475,293.47 = 725,172.68 : x - Step 2: Convert to fraction form
1,069,453.26/1,475,293.47 = 725,172.68/x - Step 3: Cross multiply
1,069,453.26x = 1,475,293.47 × 725,172.68 - Step 4: Simplify right side
1,069,453.26x = 1,069,842,512,049.93 - Step 5: Solve for x
x = 1,069,842,512,049.93/1,069,453.26 - Step 6: Final answer
x = 1,000,363.97
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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.