Finding the Fourth Proportional to 1,265,609.13, 1,899,725.90 and 847,804.65
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Solution
The fourth proportional to 1,265,609.13, 1,899,725.90 and 847,804.65 is: 1,272,585.99
Step by Step Solution
- Step 1: Write the proportion equation
1,265,609.13 : 1,899,725.90 = 847,804.65 : x - Step 2: Convert to fraction form
1,265,609.13/1,899,725.90 = 847,804.65/x - Step 3: Cross multiply
1,265,609.13x = 1,899,725.90 × 847,804.65 - Step 4: Simplify right side
1,265,609.13x = 1,610,596,447,506.41 - Step 5: Solve for x
x = 1,610,596,447,506.41/1,265,609.13 - Step 6: Final answer
x = 1,272,585.99
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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.