Finding the Fourth Proportional to 1,292,955.21, 1,784,278.18 and 749,406.28
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Solution
The fourth proportional to 1,292,955.21, 1,784,278.18 and 749,406.28 is: 1,034,180.66
Step by Step Solution
- Step 1: Write the proportion equation
1,292,955.21 : 1,784,278.18 = 749,406.28 : x - Step 2: Convert to fraction form
1,292,955.21/1,784,278.18 = 749,406.28/x - Step 3: Cross multiply
1,292,955.21x = 1,784,278.18 × 749,406.28 - Step 4: Simplify right side
1,292,955.21x = 1,337,149,273,358.97 - Step 5: Solve for x
x = 1,337,149,273,358.97/1,292,955.21 - Step 6: Final answer
x = 1,034,180.66
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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.