Finding the Fourth Proportional to 1,148,698.08, 1,585,175.58 and 719,215.02
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Solution
The fourth proportional to 1,148,698.08, 1,585,175.58 and 719,215.02 is: 992,499.34
Step by Step Solution
- Step 1: Write the proportion equation
1,148,698.08 : 1,585,175.58 = 719,215.02 : x - Step 2: Convert to fraction form
1,148,698.08/1,585,175.58 = 719,215.02/x - Step 3: Cross multiply
1,148,698.08x = 1,585,175.58 × 719,215.02 - Step 4: Simplify right side
1,148,698.08x = 1,140,082,086,473.21 - Step 5: Solve for x
x = 1,140,082,086,473.21/1,148,698.08 - Step 6: Final answer
x = 992,499.34
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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.