Finding the Fourth Proportional to 1,282,043.78, 1,922,355.64 and 524,417.26
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Solution
The fourth proportional to 1,282,043.78, 1,922,355.64 and 524,417.26 is: 786,335.45
Step by Step Solution
- Step 1: Write the proportion equation
1,282,043.78 : 1,922,355.64 = 524,417.26 : x - Step 2: Convert to fraction form
1,282,043.78/1,922,355.64 = 524,417.26/x - Step 3: Cross multiply
1,282,043.78x = 1,922,355.64 × 524,417.26 - Step 4: Simplify right side
1,282,043.78x = 1,008,116,477,474.35 - Step 5: Solve for x
x = 1,008,116,477,474.35/1,282,043.78 - Step 6: Final answer
x = 786,335.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.