Finding the Fourth Proportional to 1,268,308.15, 1,750,267.60 and 687,529.50
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Solution
The fourth proportional to 1,268,308.15, 1,750,267.60 and 687,529.50 is: 948,791.99
Step by Step Solution
- Step 1: Write the proportion equation
1,268,308.15 : 1,750,267.60 = 687,529.50 : x - Step 2: Convert to fraction form
1,268,308.15/1,750,267.60 = 687,529.50/x - Step 3: Cross multiply
1,268,308.15x = 1,750,267.60 × 687,529.50 - Step 4: Simplify right side
1,268,308.15x = 1,203,360,607,894.20 - Step 5: Solve for x
x = 1,203,360,607,894.20/1,268,308.15 - Step 6: Final answer
x = 948,791.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.