Finding the Fourth Proportional to 1,318,423.57, 1,819,462.91 and 745,451.44
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Solution
The fourth proportional to 1,318,423.57, 1,819,462.91 and 745,451.44 is: 1,028,744.69
Step by Step Solution
- Step 1: Write the proportion equation
1,318,423.57 : 1,819,462.91 = 745,451.44 : x - Step 2: Convert to fraction form
1,318,423.57/1,819,462.91 = 745,451.44/x - Step 3: Cross multiply
1,318,423.57x = 1,819,462.91 × 745,451.44 - Step 4: Simplify right side
1,318,423.57x = 1,356,321,238,010.18 - Step 5: Solve for x
x = 1,356,321,238,010.18/1,318,423.57 - Step 6: Final answer
x = 1,028,744.69
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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.