Finding the Fourth Proportional to 1,130,189.14, 1,695,296.87 and 331,486.62
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Solution
The fourth proportional to 1,130,189.14, 1,695,296.87 and 331,486.62 is: 497,233.79
Step by Step Solution
- Step 1: Write the proportion equation
1,130,189.14 : 1,695,296.87 = 331,486.62 : x - Step 2: Convert to fraction form
1,130,189.14/1,695,296.87 = 331,486.62/x - Step 3: Cross multiply
1,130,189.14x = 1,695,296.87 × 331,486.62 - Step 4: Simplify right side
1,130,189.14x = 561,968,229,332.88 - Step 5: Solve for x
x = 561,968,229,332.88/1,130,189.14 - Step 6: Final answer
x = 497,233.79
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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.