Finding the Fourth Proportional to 1,095,779.21, 1,512,207.59 and 612,345.49
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Solution
The fourth proportional to 1,095,779.21, 1,512,207.59 and 612,345.49 is: 845,054.82
Step by Step Solution
- Step 1: Write the proportion equation
1,095,779.21 : 1,512,207.59 = 612,345.49 : x - Step 2: Convert to fraction form
1,095,779.21/1,512,207.59 = 612,345.49/x - Step 3: Cross multiply
1,095,779.21x = 1,512,207.59 × 612,345.49 - Step 4: Simplify right side
1,095,779.21x = 925,993,499,211.13 - Step 5: Solve for x
x = 925,993,499,211.13/1,095,779.21 - Step 6: Final answer
x = 845,054.82
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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.