Finding the Fourth Proportional to 1,115,762.78, 1,539,758.04 and 606,464.84
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Solution
The fourth proportional to 1,115,762.78, 1,539,758.04 and 606,464.84 is: 836,924.42
Step by Step Solution
- Step 1: Write the proportion equation
1,115,762.78 : 1,539,758.04 = 606,464.84 : x - Step 2: Convert to fraction form
1,115,762.78/1,539,758.04 = 606,464.84/x - Step 3: Cross multiply
1,115,762.78x = 1,539,758.04 × 606,464.84 - Step 4: Simplify right side
1,115,762.78x = 933,809,113,367.31 - Step 5: Solve for x
x = 933,809,113,367.31/1,115,762.78 - Step 6: Final answer
x = 836,924.42
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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.