Finding the Fourth Proportional to 1,010,605.20, 1,515,907.80 and 975,175.80
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Solution
The fourth proportional to 1,010,605.20, 1,515,907.80 and 975,175.80 is: 1,462,763.70
Step by Step Solution
- Step 1: Write the proportion equation
1,010,605.20 : 1,515,907.80 = 975,175.80 : x - Step 2: Convert to fraction form
1,010,605.20/1,515,907.80 = 975,175.80/x - Step 3: Cross multiply
1,010,605.20x = 1,515,907.80 × 975,175.80 - Step 4: Simplify right side
1,010,605.20x = 1,478,276,601,591.24 - Step 5: Solve for x
x = 1,478,276,601,591.24/1,010,605.20 - Step 6: Final answer
x = 1,462,763.70
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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.