Finding the Fourth Proportional to 1,330,351.71, 1,835,887.07 and 757,391.86
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Solution
The fourth proportional to 1,330,351.71, 1,835,887.07 and 757,391.86 is: 1,045,201.75
Step by Step Solution
- Step 1: Write the proportion equation
1,330,351.71 : 1,835,887.07 = 757,391.86 : x - Step 2: Convert to fraction form
1,330,351.71/1,835,887.07 = 757,391.86/x - Step 3: Cross multiply
1,330,351.71x = 1,835,887.07 × 757,391.86 - Step 4: Simplify right side
1,330,351.71x = 1,390,485,926,885.59 - Step 5: Solve for x
x = 1,390,485,926,885.59/1,330,351.71 - Step 6: Final answer
x = 1,045,201.75
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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.