Finding the Fourth Proportional to 1,203,360.12, 1,804,573.62 and 642,088.44
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Solution
The fourth proportional to 1,203,360.12, 1,804,573.62 and 642,088.44 is: 962,883.71
Step by Step Solution
- Step 1: Write the proportion equation
1,203,360.12 : 1,804,573.62 = 642,088.44 : x - Step 2: Convert to fraction form
1,203,360.12/1,804,573.62 = 642,088.44/x - Step 3: Cross multiply
1,203,360.12x = 1,804,573.62 × 642,088.44 - Step 4: Simplify right side
1,203,360.12x = 1,158,695,860,530.95 - Step 5: Solve for x
x = 1,158,695,860,530.95/1,203,360.12 - Step 6: Final answer
x = 962,883.71
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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.