Finding the Fourth Proportional to 1,146,448.08, 1,719,689.13 and 436,515.48
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Solution
The fourth proportional to 1,146,448.08, 1,719,689.13 and 436,515.48 is: 654,779.70
Step by Step Solution
- Step 1: Write the proportion equation
1,146,448.08 : 1,719,689.13 = 436,515.48 : x - Step 2: Convert to fraction form
1,146,448.08/1,719,689.13 = 436,515.48/x - Step 3: Cross multiply
1,146,448.08x = 1,719,689.13 × 436,515.48 - Step 4: Simplify right side
1,146,448.08x = 750,670,926,032.73 - Step 5: Solve for x
x = 750,670,926,032.73/1,146,448.08 - Step 6: Final answer
x = 654,779.70
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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.