Finding the Fourth Proportional to 1,369,048.64, 1,889,270.93 and 757,153.37
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Solution
The fourth proportional to 1,369,048.64, 1,889,270.93 and 757,153.37 is: 1,044,862.70
Step by Step Solution
- Step 1: Write the proportion equation
1,369,048.64 : 1,889,270.93 = 757,153.37 : x - Step 2: Convert to fraction form
1,369,048.64/1,889,270.93 = 757,153.37/x - Step 3: Cross multiply
1,369,048.64x = 1,889,270.93 × 757,153.37 - Step 4: Simplify right side
1,369,048.64x = 1,430,467,858,108.60 - Step 5: Solve for x
x = 1,430,467,858,108.60/1,369,048.64 - Step 6: Final answer
x = 1,044,862.70
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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.