Finding the Fourth Proportional to 1,130,471.19, 1,560,049.88 and 621,206.37
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Solution
The fourth proportional to 1,130,471.19, 1,560,049.88 and 621,206.37 is: 857,264.59
Step by Step Solution
- Step 1: Write the proportion equation
1,130,471.19 : 1,560,049.88 = 621,206.37 : x - Step 2: Convert to fraction form
1,130,471.19/1,560,049.88 = 621,206.37/x - Step 3: Cross multiply
1,130,471.19x = 1,560,049.88 × 621,206.37 - Step 4: Simplify right side
1,130,471.19x = 969,112,922,973.74 - Step 5: Solve for x
x = 969,112,922,973.74/1,130,471.19 - Step 6: Final answer
x = 857,264.59
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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.