Finding the Fourth Proportional to 1,220,918.05, 1,684,834.99 and 677,052.46
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Solution
The fourth proportional to 1,220,918.05, 1,684,834.99 and 677,052.46 is: 934,314.69
Step by Step Solution
- Step 1: Write the proportion equation
1,220,918.05 : 1,684,834.99 = 677,052.46 : x - Step 2: Convert to fraction form
1,220,918.05/1,684,834.99 = 677,052.46/x - Step 3: Cross multiply
1,220,918.05x = 1,684,834.99 × 677,052.46 - Step 4: Simplify right side
1,220,918.05x = 1,140,721,674,673.58 - Step 5: Solve for x
x = 1,140,721,674,673.58/1,220,918.05 - Step 6: Final answer
x = 934,314.69
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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.