Finding the Fourth Proportional to 1,152,041.13, 1,589,814.09 and 668,889.09
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Solution
The fourth proportional to 1,152,041.13, 1,589,814.09 and 668,889.09 is: 923,065.39
Step by Step Solution
- Step 1: Write the proportion equation
1,152,041.13 : 1,589,814.09 = 668,889.09 : x - Step 2: Convert to fraction form
1,152,041.13/1,589,814.09 = 668,889.09/x - Step 3: Cross multiply
1,152,041.13x = 1,589,814.09 × 668,889.09 - Step 4: Simplify right side
1,152,041.13x = 1,063,409,299,929.28 - Step 5: Solve for x
x = 1,063,409,299,929.28/1,152,041.13 - Step 6: Final answer
x = 923,065.39
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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.