Finding the Fourth Proportional to 1,213,489.23, 1,674,948.20 and 704,355.63
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Solution
The fourth proportional to 1,213,489.23, 1,674,948.20 and 704,355.63 is: 972,204.09
Step by Step Solution
- Step 1: Write the proportion equation
1,213,489.23 : 1,674,948.20 = 704,355.63 : x - Step 2: Convert to fraction form
1,213,489.23/1,674,948.20 = 704,355.63/x - Step 3: Cross multiply
1,213,489.23x = 1,674,948.20 × 704,355.63 - Step 4: Simplify right side
1,213,489.23x = 1,179,759,194,628.37 - Step 5: Solve for x
x = 1,179,759,194,628.37/1,213,489.23 - Step 6: Final answer
x = 972,204.09
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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.