Finding the Fourth Proportional to 1,134,984.42, 1,566,268.20 and 625,686.78
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Solution
The fourth proportional to 1,134,984.42, 1,566,268.20 and 625,686.78 is: 863,442.08
Step by Step Solution
- Step 1: Write the proportion equation
1,134,984.42 : 1,566,268.20 = 625,686.78 : x - Step 2: Convert to fraction form
1,134,984.42/1,566,268.20 = 625,686.78/x - Step 3: Cross multiply
1,134,984.42x = 1,566,268.20 × 625,686.78 - Step 4: Simplify right side
1,134,984.42x = 979,993,306,674.40 - Step 5: Solve for x
x = 979,993,306,674.40/1,134,984.42 - Step 6: Final answer
x = 863,442.08
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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.