Finding the Fourth Proportional to 1,120,392.06, 1,546,271.74 and 637,029.62
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Solution
The fourth proportional to 1,120,392.06, 1,546,271.74 and 637,029.62 is: 879,175.19
Step by Step Solution
- Step 1: Write the proportion equation
1,120,392.06 : 1,546,271.74 = 637,029.62 : x - Step 2: Convert to fraction form
1,120,392.06/1,546,271.74 = 637,029.62/x - Step 3: Cross multiply
1,120,392.06x = 1,546,271.74 × 637,029.62 - Step 4: Simplify right side
1,120,392.06x = 985,020,898,948.94 - Step 5: Solve for x
x = 985,020,898,948.94/1,120,392.06 - Step 6: Final answer
x = 879,175.19
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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.