Finding the Fourth Proportional to 1,332,347.40, 1,997,208.90 and 658,532.70
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Solution
The fourth proportional to 1,332,347.40, 1,997,208.90 and 658,532.70 is: 987,150.48
Step by Step Solution
- Step 1: Write the proportion equation
1,332,347.40 : 1,997,208.90 = 658,532.70 : x - Step 2: Convert to fraction form
1,332,347.40/1,997,208.90 = 658,532.70/x - Step 3: Cross multiply
1,332,347.40x = 1,997,208.90 × 658,532.70 - Step 4: Simplify right side
1,332,347.40x = 1,315,227,369,381.03 - Step 5: Solve for x
x = 1,315,227,369,381.03/1,332,347.40 - Step 6: Final answer
x = 987,150.48
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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.