Finding the Fourth Proportional to 1,264,332.96, 1,744,762.68 and 720,501.12
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Solution
The fourth proportional to 1,264,332.96, 1,744,762.68 and 720,501.12 is: 994,281.97
Step by Step Solution
- Step 1: Write the proportion equation
1,264,332.96 : 1,744,762.68 = 720,501.12 : x - Step 2: Convert to fraction form
1,264,332.96/1,744,762.68 = 720,501.12/x - Step 3: Cross multiply
1,264,332.96x = 1,744,762.68 × 720,501.12 - Step 4: Simplify right side
1,264,332.96x = 1,257,103,465,074.20 - Step 5: Solve for x
x = 1,257,103,465,074.20/1,264,332.96 - Step 6: Final answer
x = 994,281.97
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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.