Finding the Fourth Proportional to 1,318,807.26, 1,820,051.96 and 738,088.68
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Solution
The fourth proportional to 1,318,807.26, 1,820,051.96 and 738,088.68 is: 1,018,617.19
Step by Step Solution
- Step 1: Write the proportion equation
1,318,807.26 : 1,820,051.96 = 738,088.68 : x - Step 2: Convert to fraction form
1,318,807.26/1,820,051.96 = 738,088.68/x - Step 3: Cross multiply
1,318,807.26x = 1,820,051.96 × 738,088.68 - Step 4: Simplify right side
1,318,807.26x = 1,343,359,748,687.81 - Step 5: Solve for x
x = 1,343,359,748,687.81/1,318,807.26 - Step 6: Final answer
x = 1,018,617.19
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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.