Finding the Fourth Proportional to 1,231,354.35, 1,847,216.21 and 432,495.09
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Solution
The fourth proportional to 1,231,354.35, 1,847,216.21 and 432,495.09 is: 648,807.50
Step by Step Solution
- Step 1: Write the proportion equation
1,231,354.35 : 1,847,216.21 = 432,495.09 : x - Step 2: Convert to fraction form
1,231,354.35/1,847,216.21 = 432,495.09/x - Step 3: Cross multiply
1,231,354.35x = 1,847,216.21 × 432,495.09 - Step 4: Simplify right side
1,231,354.35x = 798,911,938,830.93 - Step 5: Solve for x
x = 798,911,938,830.93/1,231,354.35 - Step 6: Final answer
x = 648,807.50
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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.