Finding the Fourth Proportional to 1,429,261.17, 1,972,394.58 and 775,892.25
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Solution
The fourth proportional to 1,429,261.17, 1,972,394.58 and 775,892.25 is: 1,070,738.99
Step by Step Solution
- Step 1: Write the proportion equation
1,429,261.17 : 1,972,394.58 = 775,892.25 : x - Step 2: Convert to fraction form
1,429,261.17/1,972,394.58 = 775,892.25/x - Step 3: Cross multiply
1,429,261.17x = 1,972,394.58 × 775,892.25 - Step 4: Simplify right side
1,429,261.17x = 1,530,365,668,564.01 - Step 5: Solve for x
x = 1,530,365,668,564.01/1,429,261.17 - Step 6: Final answer
x = 1,070,738.99
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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.