Finding the Fourth Proportional to 1,162,860.42, 1,604,709.99 and 646,611.78
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Solution
The fourth proportional to 1,162,860.42, 1,604,709.99 and 646,611.78 is: 892,303.47
Step by Step Solution
- Step 1: Write the proportion equation
1,162,860.42 : 1,604,709.99 = 646,611.78 : x - Step 2: Convert to fraction form
1,162,860.42/1,604,709.99 = 646,611.78/x - Step 3: Cross multiply
1,162,860.42x = 1,604,709.99 × 646,611.78 - Step 4: Simplify right side
1,162,860.42x = 1,037,624,383,017.68 - Step 5: Solve for x
x = 1,037,624,383,017.68/1,162,860.42 - Step 6: Final answer
x = 892,303.47
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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.