Finding the Fourth Proportional to 1,140,623.11, 1,710,320.97 and 457,166.99
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Solution
The fourth proportional to 1,140,623.11, 1,710,320.97 and 457,166.99 is: 685,504.51
Step by Step Solution
- Step 1: Write the proportion equation
1,140,623.11 : 1,710,320.97 = 457,166.99 : x - Step 2: Convert to fraction form
1,140,623.11/1,710,320.97 = 457,166.99/x - Step 3: Cross multiply
1,140,623.11x = 1,710,320.97 × 457,166.99 - Step 4: Simplify right side
1,140,623.11x = 781,902,282,380.09 - Step 5: Solve for x
x = 781,902,282,380.09/1,140,623.11 - Step 6: Final answer
x = 685,504.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.