Finding the Fourth Proportional to 1,281,973.74, 1,769,668.48 and 798,777.62
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Solution
The fourth proportional to 1,281,973.74, 1,769,668.48 and 798,777.62 is: 1,102,652.52
Step by Step Solution
- Step 1: Write the proportion equation
1,281,973.74 : 1,769,668.48 = 798,777.62 : x - Step 2: Convert to fraction form
1,281,973.74/1,769,668.48 = 798,777.62/x - Step 3: Cross multiply
1,281,973.74x = 1,769,668.48 × 798,777.62 - Step 4: Simplify right side
1,281,973.74x = 1,413,571,576,643.42 - Step 5: Solve for x
x = 1,413,571,576,643.42/1,281,973.74 - Step 6: Final answer
x = 1,102,652.52
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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.