Finding the Fourth Proportional to 1,024,986.63, 1,537,626.96 and 315,074.28
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Solution
The fourth proportional to 1,024,986.63, 1,537,626.96 and 315,074.28 is: 472,656.61
Step by Step Solution
- Step 1: Write the proportion equation
1,024,986.63 : 1,537,626.96 = 315,074.28 : x - Step 2: Convert to fraction form
1,024,986.63/1,537,626.96 = 315,074.28/x - Step 3: Cross multiply
1,024,986.63x = 1,537,626.96 × 315,074.28 - Step 4: Simplify right side
1,024,986.63x = 484,466,707,330.59 - Step 5: Solve for x
x = 484,466,707,330.59/1,024,986.63 - Step 6: Final answer
x = 472,656.61
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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.