Finding the Fourth Proportional to 1,119,026.48, 1,677,344.49 and 638,219.12
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Solution
The fourth proportional to 1,119,026.48, 1,677,344.49 and 638,219.12 is: 956,647.00
Step by Step Solution
- Step 1: Write the proportion equation
1,119,026.48 : 1,677,344.49 = 638,219.12 : x - Step 2: Convert to fraction form
1,119,026.48/1,677,344.49 = 638,219.12/x - Step 3: Cross multiply
1,119,026.48x = 1,677,344.49 × 638,219.12 - Step 4: Simplify right side
1,119,026.48x = 1,070,513,324,344.65 - Step 5: Solve for x
x = 1,070,513,324,344.65/1,119,026.48 - Step 6: Final answer
x = 956,647.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.