Finding the Fourth Proportional to 1,163,010.98, 1,604,719.82 and 679,482.70
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Solution
The fourth proportional to 1,163,010.98, 1,604,719.82 and 679,482.70 is: 937,548.63
Step by Step Solution
- Step 1: Write the proportion equation
1,163,010.98 : 1,604,719.82 = 679,482.70 : x - Step 2: Convert to fraction form
1,163,010.98/1,604,719.82 = 679,482.70/x - Step 3: Cross multiply
1,163,010.98x = 1,604,719.82 × 679,482.70 - Step 4: Simplify right side
1,163,010.98x = 1,090,379,353,724.02 - Step 5: Solve for x
x = 1,090,379,353,724.02/1,163,010.98 - Step 6: Final answer
x = 937,548.63
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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.