Finding the Fourth Proportional to 1,422,639.05, 1,963,119.05 and 802,410.07
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Solution
The fourth proportional to 1,422,639.05, 1,963,119.05 and 802,410.07 is: 1,107,256.61
Step by Step Solution
- Step 1: Write the proportion equation
1,422,639.05 : 1,963,119.05 = 802,410.07 : x - Step 2: Convert to fraction form
1,422,639.05/1,963,119.05 = 802,410.07/x - Step 3: Cross multiply
1,422,639.05x = 1,963,119.05 × 802,410.07 - Step 4: Simplify right side
1,422,639.05x = 1,575,226,494,328.83 - Step 5: Solve for x
x = 1,575,226,494,328.83/1,422,639.05 - Step 6: Final answer
x = 1,107,256.61
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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.