Finding the Fourth Proportional to 1,134,977.47, 1,566,258.63 and 625,679.84
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Solution
The fourth proportional to 1,134,977.47, 1,566,258.63 and 625,679.84 is: 863,432.52
Step by Step Solution
- Step 1: Write the proportion equation
1,134,977.47 : 1,566,258.63 = 625,679.84 : x - Step 2: Convert to fraction form
1,134,977.47/1,566,258.63 = 625,679.84/x - Step 3: Cross multiply
1,134,977.47x = 1,566,258.63 × 625,679.84 - Step 4: Simplify right side
1,134,977.47x = 979,976,450,586.37 - Step 5: Solve for x
x = 979,976,450,586.37/1,134,977.47 - Step 6: Final answer
x = 863,432.52
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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.