Finding the Fourth Proportional to 1,281,177.18, 1,767,955.11 and 708,180.45
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Solution
The fourth proportional to 1,281,177.18, 1,767,955.11 and 708,180.45 is: 977,250.66
Step by Step Solution
- Step 1: Write the proportion equation
1,281,177.18 : 1,767,955.11 = 708,180.45 : x - Step 2: Convert to fraction form
1,281,177.18/1,767,955.11 = 708,180.45/x - Step 3: Cross multiply
1,281,177.18x = 1,767,955.11 × 708,180.45 - Step 4: Simplify right side
1,281,177.18x = 1,252,031,245,379.60 - Step 5: Solve for x
x = 1,252,031,245,379.60/1,281,177.18 - Step 6: Final answer
x = 977,250.66
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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.