Finding the Fourth Proportional to 1,225,598.18, 1,837,806.77 and 426,862.04
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Solution
The fourth proportional to 1,225,598.18, 1,837,806.77 and 426,862.04 is: 640,087.39
Step by Step Solution
- Step 1: Write the proportion equation
1,225,598.18 : 1,837,806.77 = 426,862.04 : x - Step 2: Convert to fraction form
1,225,598.18/1,837,806.77 = 426,862.04/x - Step 3: Cross multiply
1,225,598.18x = 1,837,806.77 × 426,862.04 - Step 4: Simplify right side
1,225,598.18x = 784,489,938,846.13 - Step 5: Solve for x
x = 784,489,938,846.13/1,225,598.18 - Step 6: Final answer
x = 640,087.39
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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.