Finding the Fourth Proportional to 1,056,199.10, 1,457,555.09 and 572,764.10
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Solution
The fourth proportional to 1,056,199.10, 1,457,555.09 and 572,764.10 is: 790,414.63
Step by Step Solution
- Step 1: Write the proportion equation
1,056,199.10 : 1,457,555.09 = 572,764.10 : x - Step 2: Convert to fraction form
1,056,199.10/1,457,555.09 = 572,764.10/x - Step 3: Cross multiply
1,056,199.10x = 1,457,555.09 × 572,764.10 - Step 4: Simplify right side
1,056,199.10x = 834,835,219,172.67 - Step 5: Solve for x
x = 834,835,219,172.67/1,056,199.10 - Step 6: Final answer
x = 790,414.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.