Finding the Fourth Proportional to 1,259,509.46, 1,738,057.47 and 715,569.75
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Solution
The fourth proportional to 1,259,509.46, 1,738,057.47 and 715,569.75 is: 987,449.00
Step by Step Solution
- Step 1: Write the proportion equation
1,259,509.46 : 1,738,057.47 = 715,569.75 : x - Step 2: Convert to fraction form
1,259,509.46/1,738,057.47 = 715,569.75/x - Step 3: Cross multiply
1,259,509.46x = 1,738,057.47 × 715,569.75 - Step 4: Simplify right side
1,259,509.46x = 1,243,701,346,610.15 - Step 5: Solve for x
x = 1,243,701,346,610.15/1,259,509.46 - Step 6: Final answer
x = 987,449.00
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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.