Finding the Fourth Proportional to 1,130,550.48, 1,560,086.28 and 647,119.44
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Solution
The fourth proportional to 1,130,550.48, 1,560,086.28 and 647,119.44 is: 892,982.82
Step by Step Solution
- Step 1: Write the proportion equation
1,130,550.48 : 1,560,086.28 = 647,119.44 : x - Step 2: Convert to fraction form
1,130,550.48/1,560,086.28 = 647,119.44/x - Step 3: Cross multiply
1,130,550.48x = 1,560,086.28 × 647,119.44 - Step 4: Simplify right side
1,130,550.48x = 1,009,562,159,865.28 - Step 5: Solve for x
x = 1,009,562,159,865.28/1,130,550.48 - Step 6: Final answer
x = 892,982.82
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1.5x scale
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.