Finding the Fourth Proportional to 1,154,701.23, 1,593,423.33 and 638,425.26
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Solution
The fourth proportional to 1,154,701.23, 1,593,423.33 and 638,425.26 is: 880,991.27
Step by Step Solution
- Step 1: Write the proportion equation
1,154,701.23 : 1,593,423.33 = 638,425.26 : x - Step 2: Convert to fraction form
1,154,701.23/1,593,423.33 = 638,425.26/x - Step 3: Cross multiply
1,154,701.23x = 1,593,423.33 × 638,425.26 - Step 4: Simplify right side
1,154,701.23x = 1,017,281,703,745.32 - Step 5: Solve for x
x = 1,017,281,703,745.32/1,154,701.23 - Step 6: Final answer
x = 880,991.27
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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.