Finding the Fourth Proportional to 1,283,451.93, 1,771,999.26 and 824,743.26
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Solution
The fourth proportional to 1,283,451.93, 1,771,999.26 and 824,743.26 is: 1,138,682.65
Step by Step Solution
- Step 1: Write the proportion equation
1,283,451.93 : 1,771,999.26 = 824,743.26 : x - Step 2: Convert to fraction form
1,283,451.93/1,771,999.26 = 824,743.26/x - Step 3: Cross multiply
1,283,451.93x = 1,771,999.26 × 824,743.26 - Step 4: Simplify right side
1,283,451.93x = 1,461,444,446,409.99 - Step 5: Solve for x
x = 1,461,444,446,409.99/1,283,451.93 - Step 6: Final answer
x = 1,138,682.65
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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.