Finding the Fourth Proportional to 1,119,890.58, 1,677,220 and 1,029,462.56
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Solution
The fourth proportional to 1,119,890.58, 1,677,220 and 1,029,462.56 is: 1,541,789.19
Step by Step Solution
- Step 1: Write the proportion equation
1,119,890.58 : 1,677,220 = 1,029,462.56 : x - Step 2: Convert to fraction form
1,119,890.58/1,677,220 = 1,029,462.56/x - Step 3: Cross multiply
1,119,890.58x = 1,677,220 × 1,029,462.56 - Step 4: Simplify right side
1,119,890.58x = 1,726,635,194,883.20 - Step 5: Solve for x
x = 1,726,635,194,883.20/1,119,890.58 - Step 6: Final answer
x = 1,541,789.19
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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.