Finding the Fourth Proportional to 1,154,177.93, 1,591,939.44 and 810,090.62
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Solution
The fourth proportional to 1,154,177.93, 1,591,939.44 and 810,090.62 is: 1,117,345.23
Step by Step Solution
- Step 1: Write the proportion equation
1,154,177.93 : 1,591,939.44 = 810,090.62 : x - Step 2: Convert to fraction form
1,154,177.93/1,591,939.44 = 810,090.62/x - Step 3: Cross multiply
1,154,177.93x = 1,591,939.44 × 810,090.62 - Step 4: Simplify right side
1,154,177.93x = 1,289,615,205,962.13 - Step 5: Solve for x
x = 1,289,615,205,962.13/1,154,177.93 - Step 6: Final answer
x = 1,117,345.23
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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.