Finding the Fourth Proportional to 1,103,676.66, 1,523,209.05 and 620,262.18
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Solution
The fourth proportional to 1,103,676.66, 1,523,209.05 and 620,262.18 is: 856,037.82
Step by Step Solution
- Step 1: Write the proportion equation
1,103,676.66 : 1,523,209.05 = 620,262.18 : x - Step 2: Convert to fraction form
1,103,676.66/1,523,209.05 = 620,262.18/x - Step 3: Cross multiply
1,103,676.66x = 1,523,209.05 × 620,262.18 - Step 4: Simplify right side
1,103,676.66x = 944,788,965,948.73 - Step 5: Solve for x
x = 944,788,965,948.73/1,103,676.66 - Step 6: Final answer
x = 856,037.82
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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.