Finding the Fourth Proportional to 1,360,354.30, 2,041,843.65 and 687,195.70
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Solution
The fourth proportional to 1,360,354.30, 2,041,843.65 and 687,195.70 is: 1,031,456.42
Step by Step Solution
- Step 1: Write the proportion equation
1,360,354.30 : 2,041,843.65 = 687,195.70 : x - Step 2: Convert to fraction form
1,360,354.30/2,041,843.65 = 687,195.70/x - Step 3: Cross multiply
1,360,354.30x = 2,041,843.65 × 687,195.70 - Step 4: Simplify right side
1,360,354.30x = 1,403,146,176,352.31 - Step 5: Solve for x
x = 1,403,146,176,352.31/1,360,354.30 - Step 6: Final answer
x = 1,031,456.42
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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.