Finding the Fourth Proportional to 1,317,257.75, 1,817,818.67 and 736,501.66
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Solution
The fourth proportional to 1,317,257.75, 1,817,818.67 and 736,501.66 is: 1,016,373.95
Step by Step Solution
- Step 1: Write the proportion equation
1,317,257.75 : 1,817,818.67 = 736,501.66 : x - Step 2: Convert to fraction form
1,317,257.75/1,817,818.67 = 736,501.66/x - Step 3: Cross multiply
1,317,257.75x = 1,817,818.67 × 736,501.66 - Step 4: Simplify right side
1,317,257.75x = 1,338,826,468,033.99 - Step 5: Solve for x
x = 1,338,826,468,033.99/1,317,257.75 - Step 6: Final answer
x = 1,016,373.95
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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.