Finding the Fourth Proportional to 1,256,020.68, 1,732,699.44 and 746,362.20
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Solution
The fourth proportional to 1,256,020.68, 1,732,699.44 and 746,362.20 is: 1,029,617.89
Step by Step Solution
- Step 1: Write the proportion equation
1,256,020.68 : 1,732,699.44 = 746,362.20 : x - Step 2: Convert to fraction form
1,256,020.68/1,732,699.44 = 746,362.20/x - Step 3: Cross multiply
1,256,020.68x = 1,732,699.44 × 746,362.20 - Step 4: Simplify right side
1,256,020.68x = 1,293,221,365,977.17 - Step 5: Solve for x
x = 1,293,221,365,977.17/1,256,020.68 - Step 6: Final answer
x = 1,029,617.89
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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.