Finding the Fourth Proportional to 1,135,288.98, 1,566,697.14 and 625,992.57
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Solution
The fourth proportional to 1,135,288.98, 1,566,697.14 and 625,992.57 is: 863,868.84
Step by Step Solution
- Step 1: Write the proportion equation
1,135,288.98 : 1,566,697.14 = 625,992.57 : x - Step 2: Convert to fraction form
1,135,288.98/1,566,697.14 = 625,992.57/x - Step 3: Cross multiply
1,135,288.98x = 1,566,697.14 × 625,992.57 - Step 4: Simplify right side
1,135,288.98x = 980,740,769,080.25 - Step 5: Solve for x
x = 980,740,769,080.25/1,135,288.98 - Step 6: Final answer
x = 863,868.84
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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.