Finding the Fourth Proportional to 1,243,463.18, 1,865,194.20 and 559,550.63
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Solution
The fourth proportional to 1,243,463.18, 1,865,194.20 and 559,550.63 is: 839,325.69
Step by Step Solution
- Step 1: Write the proportion equation
1,243,463.18 : 1,865,194.20 = 559,550.63 : x - Step 2: Convert to fraction form
1,243,463.18/1,865,194.20 = 559,550.63/x - Step 3: Cross multiply
1,243,463.18x = 1,865,194.20 × 559,550.63 - Step 4: Simplify right side
1,243,463.18x = 1,043,670,589,682.35 - Step 5: Solve for x
x = 1,043,670,589,682.35/1,243,463.18 - Step 6: Final answer
x = 839,325.69
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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.