Finding the Fourth Proportional to 1,197,865.58, 1,653,800.63 and 762,528.65
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Solution
The fourth proportional to 1,197,865.58, 1,653,800.63 and 762,528.65 is: 1,052,764.50
Step by Step Solution
- Step 1: Write the proportion equation
1,197,865.58 : 1,653,800.63 = 762,528.65 : x - Step 2: Convert to fraction form
1,197,865.58/1,653,800.63 = 762,528.65/x - Step 3: Cross multiply
1,197,865.58x = 1,653,800.63 × 762,528.65 - Step 4: Simplify right side
1,197,865.58x = 1,261,070,349,681.40 - Step 5: Solve for x
x = 1,261,070,349,681.40/1,197,865.58 - Step 6: Final answer
x = 1,052,764.50
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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.