Finding the Fourth Proportional to 1,224,318.98, 1,836,808.92 and 425,644.76
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Solution
The fourth proportional to 1,224,318.98, 1,836,808.92 and 425,644.76 is: 638,582.02
Step by Step Solution
- Step 1: Write the proportion equation
1,224,318.98 : 1,836,808.92 = 425,644.76 : x - Step 2: Convert to fraction form
1,224,318.98/1,836,808.92 = 425,644.76/x - Step 3: Cross multiply
1,224,318.98x = 1,836,808.92 × 425,644.76 - Step 4: Simplify right side
1,224,318.98x = 781,828,091,919.26 - Step 5: Solve for x
x = 781,828,091,919.26/1,224,318.98 - Step 6: Final answer
x = 638,582.02
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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.