Finding the Fourth Proportional to 1,259,549.84, 1,737,195.62 and 872,511.33
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Solution
The fourth proportional to 1,259,549.84, 1,737,195.62 and 872,511.33 is: 1,203,384.57
Step by Step Solution
- Step 1: Write the proportion equation
1,259,549.84 : 1,737,195.62 = 872,511.33 : x - Step 2: Convert to fraction form
1,259,549.84/1,737,195.62 = 872,511.33/x - Step 3: Cross multiply
1,259,549.84x = 1,737,195.62 × 872,511.33 - Step 4: Simplify right side
1,259,549.84x = 1,515,722,847,827.84 - Step 5: Solve for x
x = 1,515,722,847,827.84/1,259,549.84 - Step 6: Final answer
x = 1,203,384.57
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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.