Finding the Fourth Proportional to 1,240,180.58, 1,860,536.49 and 430,590.31
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Solution
The fourth proportional to 1,240,180.58, 1,860,536.49 and 430,590.31 is: 645,977.69
Step by Step Solution
- Step 1: Write the proportion equation
1,240,180.58 : 1,860,536.49 = 430,590.31 : x - Step 2: Convert to fraction form
1,240,180.58/1,860,536.49 = 430,590.31/x - Step 3: Cross multiply
1,240,180.58x = 1,860,536.49 × 430,590.31 - Step 4: Simplify right side
1,240,180.58x = 801,128,983,995.41 - Step 5: Solve for x
x = 801,128,983,995.41/1,240,180.58 - Step 6: Final answer
x = 645,977.69
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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.