Finding the Fourth Proportional to 1,183,995.76, 1,632,823.86 and 775,948.96
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Solution
The fourth proportional to 1,183,995.76, 1,632,823.86 and 775,948.96 is: 1,070,095.03
Step by Step Solution
- Step 1: Write the proportion equation
1,183,995.76 : 1,632,823.86 = 775,948.96 : x - Step 2: Convert to fraction form
1,183,995.76/1,632,823.86 = 775,948.96/x - Step 3: Cross multiply
1,183,995.76x = 1,632,823.86 × 775,948.96 - Step 4: Simplify right side
1,183,995.76x = 1,266,987,976,030.19 - Step 5: Solve for x
x = 1,266,987,976,030.19/1,183,995.76 - Step 6: Final answer
x = 1,070,095.03
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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.