Finding the Fourth Proportional to 1,191,064.49, 1,643,671.08 and 647,206.79
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Solution
The fourth proportional to 1,191,064.49, 1,643,671.08 and 647,206.79 is: 893,146.50
Step by Step Solution
- Step 1: Write the proportion equation
1,191,064.49 : 1,643,671.08 = 647,206.79 : x - Step 2: Convert to fraction form
1,191,064.49/1,643,671.08 = 647,206.79/x - Step 3: Cross multiply
1,191,064.49x = 1,643,671.08 × 647,206.79 - Step 4: Simplify right side
1,191,064.49x = 1,063,795,075,284.28 - Step 5: Solve for x
x = 1,063,795,075,284.28/1,191,064.49 - Step 6: Final answer
x = 893,146.50
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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.