Finding the Fourth Proportional to 1,258,684.50, 1,737,195.22 and 742,566.48
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Solution
The fourth proportional to 1,258,684.50, 1,737,195.22 and 742,566.48 is: 1,024,865.99
Step by Step Solution
- Step 1: Write the proportion equation
1,258,684.50 : 1,737,195.22 = 742,566.48 : x - Step 2: Convert to fraction form
1,258,684.50/1,737,195.22 = 742,566.48/x - Step 3: Cross multiply
1,258,684.50x = 1,737,195.22 × 742,566.48 - Step 4: Simplify right side
1,258,684.50x = 1,289,982,939,588.23 - Step 5: Solve for x
x = 1,289,982,939,588.23/1,258,684.50 - Step 6: Final answer
x = 1,024,865.99
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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.