Finding the Fourth Proportional to 1,124,544.95, 1,686,817.49 and 325,827.02
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Solution
The fourth proportional to 1,124,544.95, 1,686,817.49 and 325,827.02 is: 488,740.55
Step by Step Solution
- Step 1: Write the proportion equation
1,124,544.95 : 1,686,817.49 = 325,827.02 : x - Step 2: Convert to fraction form
1,124,544.95/1,686,817.49 = 325,827.02/x - Step 3: Cross multiply
1,124,544.95x = 1,686,817.49 × 325,827.02 - Step 4: Simplify right side
1,124,544.95x = 549,610,714,421.45 - Step 5: Solve for x
x = 549,610,714,421.45/1,124,544.95 - Step 6: Final answer
x = 488,740.55
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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.