Finding the Fourth Proportional to 1,401,347.70, 1,933,859.79 and 756,767.84
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Solution
The fourth proportional to 1,401,347.70, 1,933,859.79 and 756,767.84 is: 1,044,339.59
Step by Step Solution
- Step 1: Write the proportion equation
1,401,347.70 : 1,933,859.79 = 756,767.84 : x - Step 2: Convert to fraction form
1,401,347.70/1,933,859.79 = 756,767.84/x - Step 3: Cross multiply
1,401,347.70x = 1,933,859.79 × 756,767.84 - Step 4: Simplify right side
1,401,347.70x = 1,463,482,882,688.02 - Step 5: Solve for x
x = 1,463,482,882,688.02/1,401,347.70 - Step 6: Final answer
x = 1,044,339.59
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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.