Finding the Fourth Proportional to 1,170,953.36, 1,615,915.32 and 634,409.36
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Solution
The fourth proportional to 1,170,953.36, 1,615,915.32 and 634,409.36 is: 875,484.75
Step by Step Solution
- Step 1: Write the proportion equation
1,170,953.36 : 1,615,915.32 = 634,409.36 : x - Step 2: Convert to fraction form
1,170,953.36/1,615,915.32 = 634,409.36/x - Step 3: Cross multiply
1,170,953.36x = 1,615,915.32 × 634,409.36 - Step 4: Simplify right side
1,170,953.36x = 1,025,151,803,975.40 - Step 5: Solve for x
x = 1,025,151,803,975.40/1,170,953.36 - Step 6: Final answer
x = 875,484.75
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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.