Finding the Fourth Proportional to 1,254,246.90, 1,731,578.90 and 825,772.65
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Solution
The fourth proportional to 1,254,246.90, 1,731,578.90 and 825,772.65 is: 1,140,039.09
Step by Step Solution
- Step 1: Write the proportion equation
1,254,246.90 : 1,731,578.90 = 825,772.65 : x - Step 2: Convert to fraction form
1,254,246.90/1,731,578.90 = 825,772.65/x - Step 3: Cross multiply
1,254,246.90x = 1,731,578.90 × 825,772.65 - Step 4: Simplify right side
1,254,246.90x = 1,429,890,492,808.22 - Step 5: Solve for x
x = 1,429,890,492,808.22/1,254,246.90 - Step 6: Final answer
x = 1,140,039.09
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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.