Finding the Fourth Proportional to 1,196,842.79, 1,651,640.70 and 652,978.95
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Solution
The fourth proportional to 1,196,842.79, 1,651,640.70 and 652,978.95 is: 901,109.67
Step by Step Solution
- Step 1: Write the proportion equation
1,196,842.79 : 1,651,640.70 = 652,978.95 : x - Step 2: Convert to fraction form
1,196,842.79/1,651,640.70 = 652,978.95/x - Step 3: Cross multiply
1,196,842.79x = 1,651,640.70 × 652,978.95 - Step 4: Simplify right side
1,196,842.79x = 1,078,486,610,063.26 - Step 5: Solve for x
x = 1,078,486,610,063.26/1,196,842.79 - Step 6: Final answer
x = 901,109.67
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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.