Finding the Fourth Proportional to 1,245,418.99, 1,868,130.30 and 346,863.31
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Solution
The fourth proportional to 1,245,418.99, 1,868,130.30 and 346,863.31 is: 520,295.47
Step by Step Solution
- Step 1: Write the proportion equation
1,245,418.99 : 1,868,130.30 = 346,863.31 : x - Step 2: Convert to fraction form
1,245,418.99/1,868,130.30 = 346,863.31/x - Step 3: Cross multiply
1,245,418.99x = 1,868,130.30 × 346,863.31 - Step 4: Simplify right side
1,245,418.99x = 647,985,850,028.64 - Step 5: Solve for x
x = 647,985,850,028.64/1,245,418.99 - Step 6: Final answer
x = 520,295.47
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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.