Finding the Fourth Proportional to 1,497,206.80, 2,245,907.40 and 788,618.80
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Solution
The fourth proportional to 1,497,206.80, 2,245,907.40 and 788,618.80 is: 1,182,979.40
Step by Step Solution
- Step 1: Write the proportion equation
1,497,206.80 : 2,245,907.40 = 788,618.80 : x - Step 2: Convert to fraction form
1,497,206.80/2,245,907.40 = 788,618.80/x - Step 3: Cross multiply
1,497,206.80x = 2,245,907.40 × 788,618.80 - Step 4: Simplify right side
1,497,206.80x = 1,771,164,798,699.12 - Step 5: Solve for x
x = 1,771,164,798,699.12/1,497,206.80 - Step 6: Final answer
x = 1,182,979.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.