Finding the Fourth Proportional to 1,685,744.26, 2,528,618.94 and 688,472.26
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Solution
The fourth proportional to 1,685,744.26, 2,528,618.94 and 688,472.26 is: 1,032,709.43
Step by Step Solution
- Step 1: Write the proportion equation
1,685,744.26 : 2,528,618.94 = 688,472.26 : x - Step 2: Convert to fraction form
1,685,744.26/2,528,618.94 = 688,472.26/x - Step 3: Cross multiply
1,685,744.26x = 2,528,618.94 × 688,472.26 - Step 4: Simplify right side
1,685,744.26x = 1,740,883,996,300.60 - Step 5: Solve for x
x = 1,740,883,996,300.60/1,685,744.26 - Step 6: Final answer
x = 1,032,709.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.