Finding the Fourth Proportional to 1,224,509.80, 1,836,764.70 and 559,661.80
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Solution
The fourth proportional to 1,224,509.80, 1,836,764.70 and 559,661.80 is: 839,492.70
Step by Step Solution
- Step 1: Write the proportion equation
1,224,509.80 : 1,836,764.70 = 559,661.80 : x - Step 2: Convert to fraction form
1,224,509.80/1,836,764.70 = 559,661.80/x - Step 3: Cross multiply
1,224,509.80x = 1,836,764.70 × 559,661.80 - Step 4: Simplify right side
1,224,509.80x = 1,027,967,038,178.46 - Step 5: Solve for x
x = 1,027,967,038,178.46/1,224,509.80 - Step 6: Final answer
x = 839,492.70
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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.