Finding the Fourth Proportional to 1,283,722.18, 1,771,564.24 and 702,969.82
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Solution
The fourth proportional to 1,283,722.18, 1,771,564.24 and 702,969.82 is: 970,113.48
Step by Step Solution
- Step 1: Write the proportion equation
1,283,722.18 : 1,771,564.24 = 702,969.82 : x - Step 2: Convert to fraction form
1,283,722.18/1,771,564.24 = 702,969.82/x - Step 3: Cross multiply
1,283,722.18x = 1,771,564.24 × 702,969.82 - Step 4: Simplify right side
1,283,722.18x = 1,245,356,194,911.24 - Step 5: Solve for x
x = 1,245,356,194,911.24/1,283,722.18 - Step 6: Final answer
x = 970,113.48
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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.