Finding the Fourth Proportional to 1,004,692.75, 1,386,470.39 and 545,803.65
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Solution
The fourth proportional to 1,004,692.75, 1,386,470.39 and 545,803.65 is: 753,205.99
Step by Step Solution
- Step 1: Write the proportion equation
1,004,692.75 : 1,386,470.39 = 545,803.65 : x - Step 2: Convert to fraction form
1,004,692.75/1,386,470.39 = 545,803.65/x - Step 3: Cross multiply
1,004,692.75x = 1,386,470.39 × 545,803.65 - Step 4: Simplify right side
1,004,692.75x = 756,740,596,749.91 - Step 5: Solve for x
x = 756,740,596,749.91/1,004,692.75 - Step 6: Final answer
x = 753,205.99
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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.