Finding the Fourth Proportional to 1,349,106.78, 1,861,772.20 and 737,259.63
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Solution
The fourth proportional to 1,349,106.78, 1,861,772.20 and 737,259.63 is: 1,017,420.93
Step by Step Solution
- Step 1: Write the proportion equation
1,349,106.78 : 1,861,772.20 = 737,259.63 : x - Step 2: Convert to fraction form
1,349,106.78/1,861,772.20 = 737,259.63/x - Step 3: Cross multiply
1,349,106.78x = 1,861,772.20 × 737,259.63 - Step 4: Simplify right side
1,349,106.78x = 1,372,609,474,491.49 - Step 5: Solve for x
x = 1,372,609,474,491.49/1,349,106.78 - Step 6: Final answer
x = 1,017,420.93
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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.