Finding the Fourth Proportional to 1,267,075.05, 1,748,549.66 and 686,283.74
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Solution
The fourth proportional to 1,267,075.05, 1,748,549.66 and 686,283.74 is: 947,064.02
Step by Step Solution
- Step 1: Write the proportion equation
1,267,075.05 : 1,748,549.66 = 686,283.74 : x - Step 2: Convert to fraction form
1,267,075.05/1,748,549.66 = 686,283.74/x - Step 3: Cross multiply
1,267,075.05x = 1,748,549.66 × 686,283.74 - Step 4: Simplify right side
1,267,075.05x = 1,200,001,196,553.60 - Step 5: Solve for x
x = 1,200,001,196,553.60/1,267,075.05 - Step 6: Final answer
x = 947,064.02
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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.