Finding the Fourth Proportional to 1,306,501.13, 1,959,750.79 and 408,019.87
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Solution
The fourth proportional to 1,306,501.13, 1,959,750.79 and 408,019.87 is: 612,029.52
Step by Step Solution
- Step 1: Write the proportion equation
1,306,501.13 : 1,959,750.79 = 408,019.87 : x - Step 2: Convert to fraction form
1,306,501.13/1,959,750.79 = 408,019.87/x - Step 3: Cross multiply
1,306,501.13x = 1,959,750.79 × 408,019.87 - Step 4: Simplify right side
1,306,501.13x = 799,617,262,568.20 - Step 5: Solve for x
x = 799,617,262,568.20/1,306,501.13 - Step 6: Final answer
x = 612,029.52
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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.