Finding the Fourth Proportional to 1,249,869.36, 1,874,901.25 and 408,506.16
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Solution
The fourth proportional to 1,249,869.36, 1,874,901.25 and 408,506.16 is: 612,791.02
Step by Step Solution
- Step 1: Write the proportion equation
1,249,869.36 : 1,874,901.25 = 408,506.16 : x - Step 2: Convert to fraction form
1,249,869.36/1,874,901.25 = 408,506.16/x - Step 3: Cross multiply
1,249,869.36x = 1,874,901.25 × 408,506.16 - Step 4: Simplify right side
1,249,869.36x = 765,908,717,558.21 - Step 5: Solve for x
x = 765,908,717,558.21/1,249,869.36 - Step 6: Final answer
x = 612,791.02
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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.