Finding the Fourth Proportional to 1,207,261.95, 1,664,356.71 and 963,075.48
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Solution
The fourth proportional to 1,207,261.95, 1,664,356.71 and 963,075.48 is: 1,327,716.11
Step by Step Solution
- Step 1: Write the proportion equation
1,207,261.95 : 1,664,356.71 = 963,075.48 : x - Step 2: Convert to fraction form
1,207,261.95/1,664,356.71 = 963,075.48/x - Step 3: Cross multiply
1,207,261.95x = 1,664,356.71 × 963,075.48 - Step 4: Simplify right side
1,207,261.95x = 1,602,901,137,374.47 - Step 5: Solve for x
x = 1,602,901,137,374.47/1,207,261.95 - Step 6: Final answer
x = 1,327,716.11
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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.