Finding the Fourth Proportional to 1,188,258.84, 1,782,358.56 and 346,817.88
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Solution
The fourth proportional to 1,188,258.84, 1,782,358.56 and 346,817.88 is: 520,218.15
Step by Step Solution
- Step 1: Write the proportion equation
1,188,258.84 : 1,782,358.56 = 346,817.88 : x - Step 2: Convert to fraction form
1,188,258.84/1,782,358.56 = 346,817.88/x - Step 3: Cross multiply
1,188,258.84x = 1,782,358.56 × 346,817.88 - Step 4: Simplify right side
1,188,258.84x = 618,153,817,179.05 - Step 5: Solve for x
x = 618,153,817,179.05/1,188,258.84 - Step 6: Final answer
x = 520,218.15
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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.