Finding the Fourth Proportional to 1,014,268.08, 1,399,628.03 and 555,388.10
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Solution
The fourth proportional to 1,014,268.08, 1,399,628.03 and 555,388.10 is: 766,401.66
Step by Step Solution
- Step 1: Write the proportion equation
1,014,268.08 : 1,399,628.03 = 555,388.10 : x - Step 2: Convert to fraction form
1,014,268.08/1,399,628.03 = 555,388.10/x - Step 3: Cross multiply
1,014,268.08x = 1,399,628.03 × 555,388.10 - Step 4: Simplify right side
1,014,268.08x = 777,336,742,513.36 - Step 5: Solve for x
x = 777,336,742,513.36/1,014,268.08 - Step 6: Final answer
x = 766,401.66
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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.