Finding the Fourth Proportional to 1,046,202.12, 1,439,228.54 and 916,556.76
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Solution
The fourth proportional to 1,046,202.12, 1,439,228.54 and 916,556.76 is: 1,260,879.35
Step by Step Solution
- Step 1: Write the proportion equation
1,046,202.12 : 1,439,228.54 = 916,556.76 : x - Step 2: Convert to fraction form
1,046,202.12/1,439,228.54 = 916,556.76/x - Step 3: Cross multiply
1,046,202.12x = 1,439,228.54 × 916,556.76 - Step 4: Simplify right side
1,046,202.12x = 1,319,134,647,521.93 - Step 5: Solve for x
x = 1,319,134,647,521.93/1,046,202.12 - Step 6: Final answer
x = 1,260,879.35
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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.