Finding the Fourth Proportional to 1,307,204.68, 1,803,986.21 and 726,452.28
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Solution
The fourth proportional to 1,307,204.68, 1,803,986.21 and 726,452.28 is: 1,002,528.46
Step by Step Solution
- Step 1: Write the proportion equation
1,307,204.68 : 1,803,986.21 = 726,452.28 : x - Step 2: Convert to fraction form
1,307,204.68/1,803,986.21 = 726,452.28/x - Step 3: Cross multiply
1,307,204.68x = 1,803,986.21 × 726,452.28 - Step 4: Simplify right side
1,307,204.68x = 1,310,509,891,710.80 - Step 5: Solve for x
x = 1,310,509,891,710.80/1,307,204.68 - Step 6: Final answer
x = 1,002,528.46
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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.