Finding the Fourth Proportional to 1,230,818.80, 1,698,530.76 and 679,534.96
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Solution
The fourth proportional to 1,230,818.80, 1,698,530.76 and 679,534.96 is: 937,758.70
Step by Step Solution
- Step 1: Write the proportion equation
1,230,818.80 : 1,698,530.76 = 679,534.96 : x - Step 2: Convert to fraction form
1,230,818.80/1,698,530.76 = 679,534.96/x - Step 3: Cross multiply
1,230,818.80x = 1,698,530.76 × 679,534.96 - Step 4: Simplify right side
1,230,818.80x = 1,154,211,032,055.37 - Step 5: Solve for x
x = 1,154,211,032,055.37/1,230,818.80 - Step 6: Final answer
x = 937,758.70
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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.