Finding the Fourth Proportional to 1,014,138.30, 1,399,455.36 and 555,164.10
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Solution
The fourth proportional to 1,014,138.30, 1,399,455.36 and 555,164.10 is: 766,096.08
Step by Step Solution
- Step 1: Write the proportion equation
1,014,138.30 : 1,399,455.36 = 555,164.10 : x - Step 2: Convert to fraction form
1,014,138.30/1,399,455.36 = 555,164.10/x - Step 3: Cross multiply
1,014,138.30x = 1,399,455.36 × 555,164.10 - Step 4: Simplify right side
1,014,138.30x = 776,927,375,424.58 - Step 5: Solve for x
x = 776,927,375,424.58/1,014,138.30 - Step 6: Final answer
x = 766,096.08
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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.