Finding the Fourth Proportional to 1,009,134.20, 1,511,988.42 and 608,934.08
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Solution
The fourth proportional to 1,009,134.20, 1,511,988.42 and 608,934.08 is: 912,367.53
Step by Step Solution
- Step 1: Write the proportion equation
1,009,134.20 : 1,511,988.42 = 608,934.08 : x - Step 2: Convert to fraction form
1,009,134.20/1,511,988.42 = 608,934.08/x - Step 3: Cross multiply
1,009,134.20x = 1,511,988.42 × 608,934.08 - Step 4: Simplify right side
1,009,134.20x = 920,701,277,503.35 - Step 5: Solve for x
x = 920,701,277,503.35/1,009,134.20 - Step 6: Final answer
x = 912,367.53
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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.