Finding the Fourth Proportional to 1,273,497.03, 1,757,266.38 and 860,931.63
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Solution
The fourth proportional to 1,273,497.03, 1,757,266.38 and 860,931.63 is: 1,187,977.81
Step by Step Solution
- Step 1: Write the proportion equation
1,273,497.03 : 1,757,266.38 = 860,931.63 : x - Step 2: Convert to fraction form
1,273,497.03/1,757,266.38 = 860,931.63/x - Step 3: Cross multiply
1,273,497.03x = 1,757,266.38 × 860,931.63 - Step 4: Simplify right side
1,273,497.03x = 1,512,886,208,877.60 - Step 5: Solve for x
x = 1,512,886,208,877.60/1,273,497.03 - Step 6: Final answer
x = 1,187,977.81
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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.