Finding the Fourth Proportional to 1,401,362.12, 1,933,879.68 and 756,782.26
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Solution
The fourth proportional to 1,401,362.12, 1,933,879.68 and 756,782.26 is: 1,044,359.49
Step by Step Solution
- Step 1: Write the proportion equation
1,401,362.12 : 1,933,879.68 = 756,782.26 : x - Step 2: Convert to fraction form
1,401,362.12/1,933,879.68 = 756,782.26/x - Step 3: Cross multiply
1,401,362.12x = 1,933,879.68 × 756,782.26 - Step 4: Simplify right side
1,401,362.12x = 1,463,525,829,963.78 - Step 5: Solve for x
x = 1,463,525,829,963.78/1,401,362.12 - Step 6: Final answer
x = 1,044,359.49
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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.