Finding the Fourth Proportional to 1,245,679.20, 1,867,352.40 and 975,657.60
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Solution
The fourth proportional to 1,245,679.20, 1,867,352.40 and 975,657.60 is: 1,462,572.84
Step by Step Solution
- Step 1: Write the proportion equation
1,245,679.20 : 1,867,352.40 = 975,657.60 : x - Step 2: Convert to fraction form
1,245,679.20/1,867,352.40 = 975,657.60/x - Step 3: Cross multiply
1,245,679.20x = 1,867,352.40 × 975,657.60 - Step 4: Simplify right side
1,245,679.20x = 1,821,896,560,938.24 - Step 5: Solve for x
x = 1,821,896,560,938.24/1,245,679.20 - Step 6: Final answer
x = 1,462,572.84
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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.