Finding the Fourth Proportional to 1,424,547.60, 2,136,130.20 and 792,790.80
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Solution
The fourth proportional to 1,424,547.60, 2,136,130.20 and 792,790.80 is: 1,188,801.53
Step by Step Solution
- Step 1: Write the proportion equation
1,424,547.60 : 2,136,130.20 = 792,790.80 : x - Step 2: Convert to fraction form
1,424,547.60/2,136,130.20 = 792,790.80/x - Step 3: Cross multiply
1,424,547.60x = 2,136,130.20 × 792,790.80 - Step 4: Simplify right side
1,424,547.60x = 1,693,504,370,162.16 - Step 5: Solve for x
x = 1,693,504,370,162.16/1,424,547.60 - Step 6: Final answer
x = 1,188,801.53
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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.