Finding the Fourth Proportional to 1,351,358.64, 1,862,731.08 and 1,064,424.24
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Solution
The fourth proportional to 1,351,358.64, 1,862,731.08 and 1,064,424.24 is: 1,467,216.81
Step by Step Solution
- Step 1: Write the proportion equation
1,351,358.64 : 1,862,731.08 = 1,064,424.24 : x - Step 2: Convert to fraction form
1,351,358.64/1,862,731.08 = 1,064,424.24/x - Step 3: Cross multiply
1,351,358.64x = 1,862,731.08 × 1,064,424.24 - Step 4: Simplify right side
1,351,358.64x = 1,982,736,114,153.38 - Step 5: Solve for x
x = 1,982,736,114,153.38/1,351,358.64 - Step 6: Final answer
x = 1,467,216.81
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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.