Finding the Fourth Proportional to 1,143,379.68, 1,577,750.16 and 660,100.80
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Solution
The fourth proportional to 1,143,379.68, 1,577,750.16 and 660,100.80 is: 910,873.41
Step by Step Solution
- Step 1: Write the proportion equation
1,143,379.68 : 1,577,750.16 = 660,100.80 : x - Step 2: Convert to fraction form
1,143,379.68/1,577,750.16 = 660,100.80/x - Step 3: Cross multiply
1,143,379.68x = 1,577,750.16 × 660,100.80 - Step 4: Simplify right side
1,143,379.68x = 1,041,474,142,816.13 - Step 5: Solve for x
x = 1,041,474,142,816.13/1,143,379.68 - Step 6: Final answer
x = 910,873.41
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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.