Finding the Fourth Proportional to 1,125,575.19, 1,553,293.43 and 609,328.70
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Solution
The fourth proportional to 1,125,575.19, 1,553,293.43 and 609,328.70 is: 840,873.43
Step by Step Solution
- Step 1: Write the proportion equation
1,125,575.19 : 1,553,293.43 = 609,328.70 : x - Step 2: Convert to fraction form
1,125,575.19/1,553,293.43 = 609,328.70/x - Step 3: Cross multiply
1,125,575.19x = 1,553,293.43 × 609,328.70 - Step 4: Simplify right side
1,125,575.19x = 946,466,270,822.01 - Step 5: Solve for x
x = 946,466,270,822.01/1,125,575.19 - Step 6: Final answer
x = 840,873.43
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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.