Finding the Fourth Proportional to 1,287,397.53, 1,776,631.11 and 706,674.99
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Solution
The fourth proportional to 1,287,397.53, 1,776,631.11 and 706,674.99 is: 975,223.85
Step by Step Solution
- Step 1: Write the proportion equation
1,287,397.53 : 1,776,631.11 = 706,674.99 : x - Step 2: Convert to fraction form
1,287,397.53/1,776,631.11 = 706,674.99/x - Step 3: Cross multiply
1,287,397.53x = 1,776,631.11 × 706,674.99 - Step 4: Simplify right side
1,287,397.53x = 1,255,500,771,892.94 - Step 5: Solve for x
x = 1,255,500,771,892.94/1,287,397.53 - Step 6: Final answer
x = 975,223.85
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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.