Finding the Fourth Proportional to 1,129,746.84, 1,694,633.96 and 331,044.58
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Solution
The fourth proportional to 1,129,746.84, 1,694,633.96 and 331,044.58 is: 496,570.88
Step by Step Solution
- Step 1: Write the proportion equation
1,129,746.84 : 1,694,633.96 = 331,044.58 : x - Step 2: Convert to fraction form
1,129,746.84/1,694,633.96 = 331,044.58/x - Step 3: Cross multiply
1,129,746.84x = 1,694,633.96 × 331,044.58 - Step 4: Simplify right side
1,129,746.84x = 560,999,387,541.94 - Step 5: Solve for x
x = 560,999,387,541.94/1,129,746.84 - Step 6: Final answer
x = 496,570.88
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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.