Finding the Fourth Proportional to 1,313,129.67, 1,812,010.46 and 740,310.63
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Solution
The fourth proportional to 1,313,129.67, 1,812,010.46 and 740,310.63 is: 1,021,567.51
Step by Step Solution
- Step 1: Write the proportion equation
1,313,129.67 : 1,812,010.46 = 740,310.63 : x - Step 2: Convert to fraction form
1,313,129.67/1,812,010.46 = 740,310.63/x - Step 3: Cross multiply
1,313,129.67x = 1,812,010.46 × 740,310.63 - Step 4: Simplify right side
1,313,129.67x = 1,341,450,605,209.19 - Step 5: Solve for x
x = 1,341,450,605,209.19/1,313,129.67 - Step 6: Final answer
x = 1,021,567.51
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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.