Finding the Fourth Proportional to 1,174,390.40, 1,760,203.20 and 878,556.80
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Solution
The fourth proportional to 1,174,390.40, 1,760,203.20 and 878,556.80 is: 1,316,801.03
Step by Step Solution
- Step 1: Write the proportion equation
1,174,390.40 : 1,760,203.20 = 878,556.80 : x - Step 2: Convert to fraction form
1,174,390.40/1,760,203.20 = 878,556.80/x - Step 3: Cross multiply
1,174,390.40x = 1,760,203.20 × 878,556.80 - Step 4: Simplify right side
1,174,390.40x = 1,546,438,490,741.76 - Step 5: Solve for x
x = 1,546,438,490,741.76/1,174,390.40 - Step 6: Final answer
x = 1,316,801.03
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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.