Finding the Fourth Proportional to 1,246,959.09, 1,720,802.51 and 673,999.26
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Solution
The fourth proportional to 1,246,959.09, 1,720,802.51 and 673,999.26 is: 930,118.42
Step by Step Solution
- Step 1: Write the proportion equation
1,246,959.09 : 1,720,802.51 = 673,999.26 : x - Step 2: Convert to fraction form
1,246,959.09/1,720,802.51 = 673,999.26/x - Step 3: Cross multiply
1,246,959.09x = 1,720,802.51 × 673,999.26 - Step 4: Simplify right side
1,246,959.09x = 1,159,819,620,031.14 - Step 5: Solve for x
x = 1,159,819,620,031.14/1,246,959.09 - Step 6: Final answer
x = 930,118.42
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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.