Finding the Fourth Proportional to 1,720,391.53, 2,580,897.58 and 708,950.51
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Solution
The fourth proportional to 1,720,391.53, 2,580,897.58 and 708,950.51 is: 1,063,553.62
Step by Step Solution
- Step 1: Write the proportion equation
1,720,391.53 : 2,580,897.58 = 708,950.51 : x - Step 2: Convert to fraction form
1,720,391.53/2,580,897.58 = 708,950.51/x - Step 3: Cross multiply
1,720,391.53x = 2,580,897.58 × 708,950.51 - Step 4: Simplify right side
1,720,391.53x = 1,829,728,639,149.53 - Step 5: Solve for x
x = 1,829,728,639,149.53/1,720,391.53 - Step 6: Final answer
x = 1,063,553.62
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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.