Finding the Fourth Proportional to 1,036,636.23, 1,430,674.19 and 577,792.70
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Solution
The fourth proportional to 1,036,636.23, 1,430,674.19 and 577,792.70 is: 797,418.69
Step by Step Solution
- Step 1: Write the proportion equation
1,036,636.23 : 1,430,674.19 = 577,792.70 : x - Step 2: Convert to fraction form
1,036,636.23/1,430,674.19 = 577,792.70/x - Step 3: Cross multiply
1,036,636.23x = 1,430,674.19 × 577,792.70 - Step 4: Simplify right side
1,036,636.23x = 826,633,103,060.41 - Step 5: Solve for x
x = 826,633,103,060.41/1,036,636.23 - Step 6: Final answer
x = 797,418.69
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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.