Finding the Fourth Proportional to 1,281,610.81, 1,768,623.42 and 730,310.79
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Solution
The fourth proportional to 1,281,610.81, 1,768,623.42 and 730,310.79 is: 1,007,829.17
Step by Step Solution
- Step 1: Write the proportion equation
1,281,610.81 : 1,768,623.42 = 730,310.79 : x - Step 2: Convert to fraction form
1,281,610.81/1,768,623.42 = 730,310.79/x - Step 3: Cross multiply
1,281,610.81x = 1,768,623.42 × 730,310.79 - Step 4: Simplify right side
1,281,610.81x = 1,291,644,766,495.20 - Step 5: Solve for x
x = 1,291,644,766,495.20/1,281,610.81 - Step 6: Final answer
x = 1,007,829.17
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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.