Finding the Fourth Proportional to 1,425,638.43, 2,138,198.09 and 572,675.63
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Solution
The fourth proportional to 1,425,638.43, 2,138,198.09 and 572,675.63 is: 858,909.17
Step by Step Solution
- Step 1: Write the proportion equation
1,425,638.43 : 2,138,198.09 = 572,675.63 : x - Step 2: Convert to fraction form
1,425,638.43/2,138,198.09 = 572,675.63/x - Step 3: Cross multiply
1,425,638.43x = 2,138,198.09 × 572,675.63 - Step 4: Simplify right side
1,425,638.43x = 1,224,493,924,701.18 - Step 5: Solve for x
x = 1,224,493,924,701.18/1,425,638.43 - Step 6: Final answer
x = 858,909.17
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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.