Finding the Fourth Proportional to 1,354,324.92, 1,868,989.32 and 742,536.24
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Solution
The fourth proportional to 1,354,324.92, 1,868,989.32 and 742,536.24 is: 1,024,711.49
Step by Step Solution
- Step 1: Write the proportion equation
1,354,324.92 : 1,868,989.32 = 742,536.24 : x - Step 2: Convert to fraction form
1,354,324.92/1,868,989.32 = 742,536.24/x - Step 3: Cross multiply
1,354,324.92x = 1,868,989.32 × 742,536.24 - Step 4: Simplify right side
1,354,324.92x = 1,387,792,302,272.96 - Step 5: Solve for x
x = 1,387,792,302,272.96/1,354,324.92 - Step 6: Final answer
x = 1,024,711.49
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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.