Finding the Fourth Proportional to 1,292,983.94, 1,937,507.58 and 618,137.70
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Solution
The fourth proportional to 1,292,983.94, 1,937,507.58 and 618,137.70 is: 926,265.55
Step by Step Solution
- Step 1: Write the proportion equation
1,292,983.94 : 1,937,507.58 = 618,137.70 : x - Step 2: Convert to fraction form
1,292,983.94/1,937,507.58 = 618,137.70/x - Step 3: Cross multiply
1,292,983.94x = 1,937,507.58 × 618,137.70 - Step 4: Simplify right side
1,292,983.94x = 1,197,646,479,233.77 - Step 5: Solve for x
x = 1,197,646,479,233.77/1,292,983.94 - Step 6: Final answer
x = 926,265.55
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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.