Finding the Fourth Proportional to 1,013,764.74, 1,396,701.05 and 832,189.20
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Solution
The fourth proportional to 1,013,764.74, 1,396,701.05 and 832,189.20 is: 1,146,537.74
Step by Step Solution
- Step 1: Write the proportion equation
1,013,764.74 : 1,396,701.05 = 832,189.20 : x - Step 2: Convert to fraction form
1,013,764.74/1,396,701.05 = 832,189.20/x - Step 3: Cross multiply
1,013,764.74x = 1,396,701.05 × 832,189.20 - Step 4: Simplify right side
1,013,764.74x = 1,162,319,529,438.66 - Step 5: Solve for x
x = 1,162,319,529,438.66/1,013,764.74 - Step 6: Final answer
x = 1,146,537.74
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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.