Finding the Fourth Proportional to 1,281,973.64, 1,769,668.35 and 798,777.53
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Solution
The fourth proportional to 1,281,973.64, 1,769,668.35 and 798,777.53 is: 1,102,652.39
Step by Step Solution
- Step 1: Write the proportion equation
1,281,973.64 : 1,769,668.35 = 798,777.53 : x - Step 2: Convert to fraction form
1,281,973.64/1,769,668.35 = 798,777.53/x - Step 3: Cross multiply
1,281,973.64x = 1,769,668.35 × 798,777.53 - Step 4: Simplify right side
1,281,973.64x = 1,413,571,304,683.83 - Step 5: Solve for x
x = 1,413,571,304,683.83/1,281,973.64 - Step 6: Final answer
x = 1,102,652.39
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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.