Finding the Fourth Proportional to 1,135,120.08, 1,566,455.36 and 625,822.50
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Solution
The fourth proportional to 1,135,120.08, 1,566,455.36 and 625,822.50 is: 863,629.34
Step by Step Solution
- Step 1: Write the proportion equation
1,135,120.08 : 1,566,455.36 = 625,822.50 : x - Step 2: Convert to fraction form
1,135,120.08/1,566,455.36 = 625,822.50/x - Step 3: Cross multiply
1,135,120.08x = 1,566,455.36 × 625,822.50 - Step 4: Simplify right side
1,135,120.08x = 980,323,009,533.60 - Step 5: Solve for x
x = 980,323,009,533.60/1,135,120.08 - Step 6: Final answer
x = 863,629.34
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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.