Finding the Fourth Proportional to 1,343,291.84, 1,853,670.24 and 770,356.16
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Solution
The fourth proportional to 1,343,291.84, 1,853,670.24 and 770,356.16 is: 1,063,049.92
Step by Step Solution
- Step 1: Write the proportion equation
1,343,291.84 : 1,853,670.24 = 770,356.16 : x - Step 2: Convert to fraction form
1,343,291.84/1,853,670.24 = 770,356.16/x - Step 3: Cross multiply
1,343,291.84x = 1,853,670.24 × 770,356.16 - Step 4: Simplify right side
1,343,291.84x = 1,427,986,287,992.68 - Step 5: Solve for x
x = 1,427,986,287,992.68/1,343,291.84 - Step 6: Final answer
x = 1,063,049.92
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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.