Finding the Fourth Proportional to 1,055,451.14, 1,583,177.11 and 256,727.75
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Solution
The fourth proportional to 1,055,451.14, 1,583,177.11 and 256,727.75 is: 385,091.72
Step by Step Solution
- Step 1: Write the proportion equation
1,055,451.14 : 1,583,177.11 = 256,727.75 : x - Step 2: Convert to fraction form
1,055,451.14/1,583,177.11 = 256,727.75/x - Step 3: Cross multiply
1,055,451.14x = 1,583,177.11 × 256,727.75 - Step 4: Simplify right side
1,055,451.14x = 406,445,497,301.80 - Step 5: Solve for x
x = 406,445,497,301.80/1,055,451.14 - Step 6: Final answer
x = 385,091.72
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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.