Finding the Fourth Proportional to 1,122,330.48, 1,684,166.40 and 412,430.28
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Solution
The fourth proportional to 1,122,330.48, 1,684,166.40 and 412,430.28 is: 618,891.88
Step by Step Solution
- Step 1: Write the proportion equation
1,122,330.48 : 1,684,166.40 = 412,430.28 : x - Step 2: Convert to fraction form
1,122,330.48/1,684,166.40 = 412,430.28/x - Step 3: Cross multiply
1,122,330.48x = 1,684,166.40 × 412,430.28 - Step 4: Simplify right side
1,122,330.48x = 694,601,219,918.59 - Step 5: Solve for x
x = 694,601,219,918.59/1,122,330.48 - Step 6: Final answer
x = 618,891.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.