Finding the Fourth Proportional to 1,318,808.26, 1,820,053.34 and 738,089.68
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Solution
The fourth proportional to 1,318,808.26, 1,820,053.34 and 738,089.68 is: 1,018,618.57
Step by Step Solution
- Step 1: Write the proportion equation
1,318,808.26 : 1,820,053.34 = 738,089.68 : x - Step 2: Convert to fraction form
1,318,808.26/1,820,053.34 = 738,089.68/x - Step 3: Cross multiply
1,318,808.26x = 1,820,053.34 × 738,089.68 - Step 4: Simplify right side
1,318,808.26x = 1,343,362,587,303.53 - Step 5: Solve for x
x = 1,343,362,587,303.53/1,318,808.26 - Step 6: Final answer
x = 1,018,618.57
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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.