Finding the Fourth Proportional to 1,258,683.50, 1,737,193.84 and 742,565.48
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Solution
The fourth proportional to 1,258,683.50, 1,737,193.84 and 742,565.48 is: 1,024,864.60
Step by Step Solution
- Step 1: Write the proportion equation
1,258,683.50 : 1,737,193.84 = 742,565.48 : x - Step 2: Convert to fraction form
1,258,683.50/1,737,193.84 = 742,565.48/x - Step 3: Cross multiply
1,258,683.50x = 1,737,193.84 × 742,565.48 - Step 4: Simplify right side
1,258,683.50x = 1,289,980,167,110.26 - Step 5: Solve for x
x = 1,289,980,167,110.26/1,258,683.50 - Step 6: Final answer
x = 1,024,864.60
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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.