Finding the Fourth Proportional to 1,053,071.35, 1,579,305.70 and 343,161.43
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Solution
The fourth proportional to 1,053,071.35, 1,579,305.70 and 343,161.43 is: 514,643.95
Step by Step Solution
- Step 1: Write the proportion equation
1,053,071.35 : 1,579,305.70 = 343,161.43 : x - Step 2: Convert to fraction form
1,053,071.35/1,579,305.70 = 343,161.43/x - Step 3: Cross multiply
1,053,071.35x = 1,579,305.70 × 343,161.43 - Step 4: Simplify right side
1,053,071.35x = 541,956,798,899.84 - Step 5: Solve for x
x = 541,956,798,899.84/1,053,071.35 - Step 6: Final answer
x = 514,643.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.