Finding the Fourth Proportional to 1,384,235.80, 2,076,936.90 and 753,602.20
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Solution
The fourth proportional to 1,384,235.80, 2,076,936.90 and 753,602.20 is: 1,130,720.80
Step by Step Solution
- Step 1: Write the proportion equation
1,384,235.80 : 2,076,936.90 = 753,602.20 : x - Step 2: Convert to fraction form
1,384,235.80/2,076,936.90 = 753,602.20/x - Step 3: Cross multiply
1,384,235.80x = 2,076,936.90 × 753,602.20 - Step 4: Simplify right side
1,384,235.80x = 1,565,184,217,101.18 - Step 5: Solve for x
x = 1,565,184,217,101.18/1,384,235.80 - Step 6: Final answer
x = 1,130,720.80
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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.