Finding the Fourth Proportional to 1,014,546.20, 1,400,117.76 and 561,837.20
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Solution
The fourth proportional to 1,014,546.20, 1,400,117.76 and 561,837.20 is: 775,359.70
Step by Step Solution
- Step 1: Write the proportion equation
1,014,546.20 : 1,400,117.76 = 561,837.20 : x - Step 2: Convert to fraction form
1,014,546.20/1,400,117.76 = 561,837.20/x - Step 3: Cross multiply
1,014,546.20x = 1,400,117.76 × 561,837.20 - Step 4: Simplify right side
1,014,546.20x = 786,638,234,948.08 - Step 5: Solve for x
x = 786,638,234,948.08/1,014,546.20 - Step 6: Final answer
x = 775,359.70
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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.