Finding the Fourth Proportional to 1,103,834.25, 1,654,366.26 and 472,005.09
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Solution
The fourth proportional to 1,103,834.25, 1,654,366.26 and 472,005.09 is: 707,415.35
Step by Step Solution
- Step 1: Write the proportion equation
1,103,834.25 : 1,654,366.26 = 472,005.09 : x - Step 2: Convert to fraction form
1,103,834.25/1,654,366.26 = 472,005.09/x - Step 3: Cross multiply
1,103,834.25x = 1,654,366.26 × 472,005.09 - Step 4: Simplify right side
1,103,834.25x = 780,869,295,444.26 - Step 5: Solve for x
x = 780,869,295,444.26/1,103,834.25 - Step 6: Final answer
x = 707,415.35
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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.